2.5
2.56914 star

Total 160 Negative Reviews

DayBand App Complaints & User Negative Comments 2024

DayBand app received 160 complaints, negative comments and reviews by users. Have you ever had a bad experience using DayBand? Can you share your negative thoughts about dayband?

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DayBand for Negative User Reviews

Watch is made for e-wasteAfter 2 days the sleep function stopped working. BP readings are false, this is dangerous for the wearer. After a month the watch started randomly restarting loosing the data it recorded. Customer service ignores you. Repeated attempts to contact them go unanswered. This is a deplorable company. If you bought this garbage return it while you can. I received two as a gift. Both are e-waste!!.Version: 1.0.11

DisappointedI was excited to receive this as a gift from my husband for Christmas, especially when I saw all the features it offers. However they don’t seem to be very accurate measurements of blood pressure and heart rate. Also, I’ve had it for a month now and wear it every night and last night was the first night that it actually recorded my sleep pattern. I didn’t do anything different. Don’t know why it started working after all this time. Another thing I don’t like about it, and this is the most irritating, is the life of the battery and there is no warning when it needs to be charged. It will show about 1/4 battery left and just die all of a sudden at the most inappropriate time. Very frustrating. It needs to be charged every 2-3 days..Version: 1.0.12

What happened ......The app is poorly designed. My main problem is the inability for the app to monitor my sleep habits. Many times it tells me I’m not sleeping at all. It records nothing and I am wearing the watch and yes it is charged. Or it will say I went to bed at midnight and woke up at 3:45. When I went to bed at 10:00 and was up at 7:00. If I go to bed at midnight it throws everything out of wack for recording sleep patterns for two days. The other problem is the motion detector. Even when I’m moving it tells me to get up and move. This watch/app worked great for 30 Days and now I feel like it’s a piece of junk!!!! Nothing is working. The only positive thing I can say is at the moment it keeps good time. Even monitoring my steps has failed. 🤨.Version: 1.0.11

DayBand app and kore trac watchI’ve had this watch for several months now, and bought it to track my sleep patterns. Sad to say it doesn’t work very well at all. At least once a week, it goes on a vacation, and doesn’t track at all. The BP section has totally disappeared. It may have been abducted by aliens. Don’t know don’t care. That’s just the watch——the DayBand app is a total joke. I gave it one star, but in my opinion,it isn’t worth that. I have to question if ANY part of the app is even the slightest bit accurate..Version: 1.0.16

Loss of functionsSince the last firmware update watch/app no longer provides blood pressure and blood oxygen levels. No longer fit for purpose! Koretrak still advertise on FB as giving this info!.Version: 1.0.16

DayBandYou updated my watch and removed the blood pressure function and I need it for my health and if your not going to fix it I want a refund and shipping costs.Version: 1.0.15

JeanDI’ve only been using the advice for a few days. Everything went well the first day and night. The second night sleep wasn’t recorded. The next day the blood oxygen wasn’t recorded and is still not working. At first I thought it was really good but I’ve changed my mind. I’ve had cheaper fit watches that did better than this one. I bought two devices one I gave to a friend as a present. I haven’t had any feed back as yet but will let you know how it goes. Regards. JeanD.Version: 1.0.15

Pretty much what I paid forUseless. The tech support site only in Chinese. Say no more..Version: 1.0.9

Some features do not workI like the look of the watch but i cannot get the sleep feature to work as well as a few others. i also bought the warranty for 3 watches at the same time but no warranty included in shipment also no contact number or address only a website. I suggest you get on the ball with this as your watch will not sell. you can contact other watches any time. do not recommend at this time..Version: 1.0.11

App is terrible!!!Gps consistently does not show correct location. No way to manually choose location. Even the location it chooses the temperature is different on the watch. App is missing features. (No way to test oxygen from the app). The option to keep the device lit up for more that 5 seconds is there but nothing happens when you try to change it. The sleep tracking I just don’t know what is going on there. It starts before I go to bed and sometimes doesn’t quit till past half way through the day. For a 4+ year old app these issues are unacceptable. These issues if fixed would overall make a pretty decent product. Sadly it misses the mark. It barely feels like it tries..Version: 1.0.9

Poor Battery constantly needs charging dailyThe battery doesn’t even last a day, so you have to keep charging it daily.Version: 1.1.1

KoretrakWatch was working great until the update now I cannot sync. Very upset and frustrated..Version: 1.0.13

Update deletes BPThe update removes the BP from the watch. Company was emailed June 1st and I was informed that it was temporarily disabled. It’s a month and a half later….Version: 1.0.18

Multiple IssuesThis watch and app sees a lot of potential, but a lot of its advantages or features are being hindered by its disappointing disadvantages. To start, the sleep tracking does not work at all, the app does not track my distance travelled when on Sport mode, and the time lags behind occasionally. When on sport mode, it doesn’t even track where I traversed on the map. Sometimes the watch even crashes randomly and I am not sure why. Also, why can’t it be possible to default the temperature measurement to Fahrenheit and default the style of the home screen? I feel like the blood pressure measurements are off as well. Long story short, I hope that the issues that I found in both the watch and the app can be fixed soon. It has the potential to become a great watch for a great price..Version: 1.1.0

Sleep mode BatteryMy husband bought two , mine is working good but sleep mode will not work , My husbands battery is draining in less then 5, 6 hours . His sleep mode will not work either. 😟.Version: 1.0.11

WatchWouldn’t charge up from day one. Not as advertised, only records exercise and sleep, nothing else. I asked for refund..Version: 1.1.0

Poor appOverall the watch is good but it’s software is lacking. It does not seem as accurate as my Fitbit was on steps or sleep. The software for the watch app could be greatly improved in the areas of step counting, sleep counting, and offer more options for fitness tracking. The article I read of the watch online greatly overstated the good qualities and failed to state the poor ones. I’d be much more satisfied with my purchase with a better app and better software overall..Version: 1.1.0

AverageCan’t get it to record my sleep pattern, one of the reasons I purchased this product. Also it doesn’t record all of my steps, very frustrating..Version: 1.0.11

Sleep analysisThis function does not work on my iPhone 6. DayBand is quite different for an iPhone 10 which is our second phone. Cannot get DayBand to communicate with Apple Health either.Version: 1.0.11

It as promisedDoes not record sleep, can’t seem to turn off vibrating message alert and not sure if it is the Koretrax watch or app, but blood pressure, pulse and oxygen are not accurate at all- when off wrist still says the table the watch sits on has good blood pressure, pulse and oxygen!!! Battery only holds charge for less than one day and company refuses to acknowledge it has a defect. Very disappointed in this app and watch.Version: 1.0.12

DisappointmentThis unit was offered as a unit ideal elderly individuals. The BP is inaccurate confirmed the inaccuracy multiply times and sleeping tracking frequently is unable to record daily. Unless these items are corrected in an update I would not refer this to any other individuals. The unit is not able to take any punishment and does not hold a charge for only half the time the manufacturer claims. The manufacturer sent an additional unit after the original unit failed. The same problems are the same as before and no improvements. I am very disappointment in a claimed quality unit and poor warranty coverage. Ohio.Version: 1.0.15

Sleep Tracking Is DefectiveThe sleep tracking feature is inconsistent and rarely tracks my sleep. All the other features appear to work fine. However, you need to find a way for the charge to last longer. Having to doc the device daily is problematic. I’ve had another brand since 2015 and only had to doc weekly, usually. I don’t have to doc my iPhone daily either..Version: 1.1.0

Sleep functionThe sleep function does not wok.Version: 1.0.11

Not accurateSleep hours cannot be recorded. BP, pulse and walking distance significantly lower than measurements taken with medical cuff and actual distances..Version: 1.0.14

Scam don’t buyBought it, trying to send back, the data it gives you is 100% incorrect- if you buy it- you lose money.Version: 1.0.15

Not goodI bought this specifically for the sleep section but this does not work tried contacting but no response.Version: 1.0.11

Nice tryDoesn’t recordsleep, nor does it record your blood oxygen levels, pretty important during this pandemic. Inexpensive so I suppose at least it gives you the essential vital signs, but you only need this once per week, so little need to wear device permanently. Not a replacement for important stuff like cholesterol, diabetes etc etc.Version: 1.0.13

JunkI have 2 , fully charged and neither will connect to my phone.Version: 1.1.0

The service stoppedWhen o got the device and started using all functions seem to be working. Then later on, the function started to stop working one by one, and now nothing is synced apart from steps, it stopped syncing at 9% and difficult to check if it’s the latest version. What a waste..Version: 1.0.18

Not impressedPrimarily use for sleep and step tracking. Been wearing both my FitBit and this watch to compare stats. Steps are usually lower but close enough, however the sleep function is horrible!!! Last night I had 4.5 hours of sleep and it registered NO SLEEP. Another night it said 10 hours. LOL, that never happens. I strive for 6. It also never has me waking up during the night when I know I get up. Some of the positives—I do like the home screen options, but I must trigger it to change view options when my arms are folded. The BP and oxygen levels are nicety but not sure I’d rely on it being 100% accurate. By far, my favorite function is the ability to take a selfie by simply shaking your wrist and not fumbling for a phone button. Also, text/voice messages can be viewed on screen and can scroll back 5-6 messages. So overall it’s a good watch for the $50 I paid, but would like to be able to adjust sleep times in app, pick my actual location for weather temperature and also stop it from defaulting back to Celsius on the watch face even though I’ve changed it and it’s correct in the app. The watch has potential but needs some fine tuning before I would recommend to others. Hope to see some bug fixes and updates soon..Version: 1.0.8

The timeDoes anybody know how to set the correct time I’ve tried everything but to no avail please help.Version: 1.0.13

Not Impressed.....Because of the price, I decided to try a smart watch (I am 74 but fit and up with tech). I had to pay import tax of £11 but the ad doesn’t warn that there will be an extra charge. There are a number of issues; after 8 hours sleep it says I have slept for 2hrs 15mins or 3 hrs 15mins. It has been right a couple of times. It hardly ever lights up when I raise my arm. I have to long press it. Sometimes, after a phone call is finished , the only way I can get out of that screen is to plug it in to charge. After walking, my iPhone indicates 1.4 miles and the watch says 3.7miles (I have set it to miles!). I have asked the supplier to get in touch but they haven’t. Not recommended, I’m afraid. MA.Version: 1.0.11

Watch does not workDownload app but the watch does not do anything. It work first time but after a few weeks it stopped working. Only the pardometer works but the heart rate, blood pressure and everything else no longer works. Reset, updated and reset the app it still doesn’t work. But this is what you expect from a cheap product, specially from China. Do not trust made in China product again..Version: 1.0.19

Blood pressure not workingI’ve had this watch for a few months but all of a sudden the blood pressure has stopped working.I’m not sure how to fix this problem..Version: 1.0.15

No sleep or oxygen monitoringBought three and now waiting for firmware update very disappointing. Blood Pressure feature is not even close in being accurate. Watch verified and compared with two blood pressure medical systems. Watch is only good for time, outside temperature, steps and heart rate. Please do not purchase this watch until all issues are repaired because it’s presently not working as advertised and/or it’s cost. Not as advertised and not worth the cost. You can purchase knock-off from China via AliExpress or Wish for functionality and much cheaper cost..Version: 1.0.11

No sleep data, other functions varyHave worn band for 2 nights and still no sleep data. After 2 days BP and O2 not working until pushed reset. Not impressive performance.Version: 1.0.11

Quick observations of appNot available as iPad app. The sleep function use to work seems not to since the firmware update ages ago. I wouldn’t rely on this one if you had medical problems and needed accurate BP and SATs etc monitored..Version: 1.0.15

ReviewI’m overall impressed with the watch. I’m having difficulty with the sleep monitoring, however when I looked closely at the description I discovered I need an iPhone 9 or higher. While I like the watch, I’m content with my iPhone 6 Plus. My wrist is small so, I had to loosen the band, because the sensor underneath the watch caused a sore to develop. I would recommend this watch to anyone wanting to track their exercise progress and monitor vital signs..Version: 1.0.11

No serviceWhen the device is working you get your BP, blood pressure and sleep. Great! But word is “when”. It ain’t very often. Sleep on our two has never worked. But the problem is after sales service is nonexistent. You write for service and never get a reply. Service stinks!!!!!!!!.Version: 1.0.11

Blood Pressure AppBP App does not function works on watch but will not connect to phone!.Version: 1.0.18

Horrible, unreliable appI have written this several times now. If you try to use the support under “about” in the app - it crashes every single time! And the support attached to this page is all in Chinese! Utterly useless! Also, the weather displayed has been completely wrong since the day I purchased the band a few years back. I pulled it out recently to see if the recent update they did may have finally fixed it! Of course it didn’t! It has been waaay off since day 1. For example, the weather on the band says it’s 35 degrees F and sunny, whereas right now, it’s 18 degrees F out and snowing! If they can’t get a simple thing like this right, who’s to say the tracker works efficiently at all?! Good luck getting any help or support from them. I’ve tried. Do yourself a favor and avoid buying any of their products and delete this app off your phone! It’s not worth your time and money given the frustration you will inevitably face!.Version: 1.0.19

Blood Pressure Not Accurate & numbers too smallBlood 🩸 pressure on my sons device measures same for him (average) as it for me ( high blood pressure) so we know that’s not accurate! Plus the numbers are so small for anyone with vision issues. And the hourly reminders ( vibrations) are so low that it doesn’t seem to work all day. ( tried by 3 different people) and sadly this isn’t one of those activity trackers that will work without a phone attached ( kids) unless you want your kid to get all your messages 😳.Version: 1.0.8

AwfulBought on line and when it arrived it was broken. Emailed support and no response. Waste of my money.Version: 1.0.11

BPWhen I first got the watch I could measure my blood pressure but once I did an update this facility was no longer there. Help!!.Version: 1.0.16

KORETRACK WITH MANY FAULTSGreen light stopped working after two days. Blood pressure measurement far out compared to GP’s reading. Only the clock and step count is working at the moment. When charged, battery looks 100% full, but after few hours needs to be charged again. Real disappointed!!! When trying to measure heart beat, the device gives an error message; ‘wear the band correctly and try again’. I have followed the instructions how to wear it, no change. It is trying to measure with no results,.Version: 1.0.11

Disappointed.You get what you pay for I guess. Sleep doesn’t work and after about 3 months the battery life is terrible. Wouldn’t buy again..Version: 1.1.0

It’s alrightIt work fine for about 2 days until i started noticing it A) stopped giving me accurate minimum and maximum heart rates and just didn't display anything when i used the ‘continuously’ function and B) it thinks i get 9 hours of sleep a night. Now, I'm an artist that mainly works at night, and i cant remember the last time i got 9 hours of sleep. I also wake up several times during the night and it doesn't register that i was awake at all and i really wanted to track my sleeping pattern. Those were 2 main reasons i bought this and they don't work so its a little disappointing. The step counter is cute though, i guess..Version: 1.0.8

GreatI really like this tracker but in the sun you can’t read the display. I do lots of walking so I’m always in the sun. Not sure what you can do about this though? Probably a common issue..Version: 1.0.10

Basically uselessI bought this to analyze my sleep pattern and monitor my BP. Neither function works. My sleep starts at 2045 while I am watching TV. I usually go to bed at 2215 to 2245. Yesterday it had me still sleeping but I had been up for almost 1 hour performing a variety of activities. The BP has not deviated more than 5 points in the last month. I check it 3-5 times a day while doing a lot of different activities and resting. I also have a BP machine and it reads significantly different values. Definitely not worth the money. Time to put it in the trash..Version: 1.0.8

Not happy.I purchased this Kore a month ago as it was rated the highest of all fitness trackers. I have had no success in trying to link up all features to IPhone. I have re-installed 4 times. I cannot get oxygen, sleep and calorimeter to open. Not happy. I think I will send back..Version: 1.0.14

Can’t keep timeWhen I turn off iPhone at night to recharge battery (and therefore KoreTrak device becomes disconnected from iPhone) the KoreTrac watch function runs slow - it will lose between 5 to 10 minutes over night - this is not good that a watch cannot keep time..Version: 1.0.11

This product is seriously flawedBlood pressure readings are seriously inaccurate. It will not keep accurate time it looses about 3 minutes per day. If I how to contact the sales point I would request an immediate refund. If this report is seen by the manufacturer then if you have any integrity at all you should make contact and issue a full refund..Version: 1.0.11

Disappointed ☹️One won’t record sleep , steps is way out on both and they are uncomfortable to wear..Version: 1.0.13

Doesn’t track sleepThe watch is okay in every other aspect for the price point but I wanted the sleep tracking and after three weeks of trying it on different arms etc it has yet to track any sleep at all. I’d like a refund. I even bought two watches but won’t open the second one until this is resolved and may even send it back for a refund.Version: 1.1.0

The watchU have my money and that’s it never again u pay for what u get go back to apple.Version: 1.0.18

SleepSleep function does not work. Asks if I wore device all night... which I did. It simply does not record anything at all ..Version: 1.0.13

No sleep recordedI am unable to record sleep and now that someone has called me I’m unable to stop it vibrating and telling me who called. Unable to move off this screen on the phone despite trying everything.Version: 1.0.11

No notificationsGot these so get messages from my phone and to track my steps. Great at first then for no reason can’t seem to get my messages on there again. I go into sms and it just says null. Also the time just stopped and I needed to sync it again. The sleep tracker is a bit hit and miss..Version: 1.0.11

HellyH1954Like many others wouldn’t buy it many functions don’t work especially the sleep function which I was very keen to use - big dissatisfaction!.Version: 1.0.11

SleepHow come the sleep icon keeps saying not wearing band. I wear every night and it does not work every day..Version: 1.0.15

BP monitor goneWhen done loading the new app to my phone my BP monitor is gone from my watch what kind of scam are you people playing at not happy about this.Version: 1.0.16

Blood Pressure and Heart rate not workingI’ve tried everything to get the blood pressure and heart rate to work on this watch and it is not working. If anyone knows how this should work properly, please let me know if I may be doing something incorrectly. I am wearing the watch tightly around my wrist face down according to the instructions. Everything else about the watch seems to work fine except the blood pressure and heart rate because of that, I gave the watch a 2 because those are the two main reasons that I purchased this watch..Version: 1.1.0

Firmware Upgrade Killed WatchWent to upgrade the firmware and the watch has been dead ever since. It now continuously switches on, vibrates a lot, switches off, on a 20 second loop. Watching will have to go in the bin. App and firmware is awful..Version: 1.1.0

RubbishSleep function has never worked. And now 3 months old and BP has stopped working. I did try and make contact but no reply. Wouldn’t recommend and won’t be waisting my money again..Version: 1.0.16

Blood Pressure NOT WORKINGMy wife bought two of these back in April. One for herself and one for me. After two weeks her blood pressure monitor stopped working. She hasn’t realized that it stopped working after the latest firmware update. After updating the firmware, my blood pressure monitor stopped also. The main reason she purchased these was to be able to check our blood pressure. When we contacted technical support, we were told that they were working on a new firmware update to correct the problem. It’s now late July and no firmware update yet. I guess we bought the wrong device. The time also lags behind until I connect it to the Bluetooth app on my phone. I give this one a thumbs down!!!!!!!!.Version: 1.0.18

DisappointedI was excited to receive this watch. I had ordered it with the purple band, but it came in black. That was the first disappointment. I set the watch up and wore it on my left wrist as it prescribed. I also wore my Fossil hybrid smart watch on my right wrist. Just to see how accurately they corresponded. They were vastly different in details. I’m not in the greatest health so I felt I needed the BPM and BP parts of the watch. I want to get my money back for my watch, and my husband was terribly disappointed also, so wants his money back also. But, since we already had thrown out the packaging they came in, we won’t be able to be refunded. That isn’t fair, and since we are both disabled and retired, it was hard to cough up that much money for wishful thinking watches. And the fact that they don’t actually tell you it only comes in black band, it’s misleading. And the customer service is terrible. I called several times to be told that I could not order the different color bands on the phone. That I would have to use the link I was sent. I am not interested in a pink or white band. When I tried to order another band through an ad on AOL, when I chose purple, it kept going to orange. Sorry. Y’all are a scam company. I’ll probably just throw these pieces of junk in the garbage..Version: 1.1.0

Waste of money!!!This watch stopped working for no reason. Was fine at first then nothing. Contacted customer support. Well 60 day return was up So now it goes to e-waste Only fitness is business getting fatter with our lost dollars.Version: 1.0.15

Blood pressure up dateNew watch with blood pressure update it’s gone this is the second time they did this to me the updates are mentto improve not down grade i will not try them again as for me it’s money down the drain hint don’t buy koretrak by the way I have a pedometer that records by the length of your step it will say four thousand steps the DayBand will say five thousand.Version: 1.1.0

Step TrackerUnlike some posts I’ve read, I haven’t had any operational problems with it, BUT the number of steps (and miles) never align with the steps in Apple Health. Sometimes off by 1,000. Maybe stride? I can’t figure out why. in Do NOT rely on the blood pressure reading at all. I was in the doctor’s office and compared their reading to my DayBand reading. DayBand was significantly lower. I usually get the exact same number for Bp each day. Not possible. For steps, it’s good. Battery lasts a long time. Seriously, those inaccurate Bp numbers are going to be detrimental to someone’s health..Version: 1.0.16

InaccuracyStep count is a good 30% low. No way to adjust it. Blood pressure has been removed.Version: 1.0.18

BP monitor gone, now notificationsAs mentioned previously I updated the app on Apple as requested by the watch. BP monitor stopped working. Now I am not receiving notifications, even though that function is selected. I have stopped using this watch as it just takes up space on my wrist. Both the watch & app have proved very disappointing. Watch requested an update so proceeded from Apple App Store and got v 1.0.15 and lost Blood Pressure monitor. New version should be 1.3.? How do I get the proper update?.Version: 1.0.18

Don’t buy DayBand /KoretrakBUYER BEWARE - I bought a Koretrak fitness watch (run by DayBand app) and My ( and many others) experience has been shocking. The watch functions didn’t work properly, when I complained they kept stalling me, then told me I couldn’t have a refund because too many days had passed. When I escalated it they confirmed if I returned the watch and sent them a copy of the courier receipt they would send me my refund. I did that at additional cost however they then re-iterated that 180 days had passed since the original purchase I could not have a refund. I would not recommend you buy.Version: 1.0.15

Time delayWhen I first put on my watch in the morning it takes it forever to show display. I have to keep tapping it until it finally will light up. Also, 20 seconds would be a better time for the light up to stay on Also, the blood pressure setting no longer shows up on my watch. It seems I lost it during the last update.Version: 1.0.16

BP readingLost the Blood Pressure reading on last up date. How do I get it back? BP reading was why I bought this particular item ?.Version: 1.0.18

Was a useful toolI used this device daily to monitor basic measurements, however, since the last app update it no longer supports or records blood pressure measurements which is an obvious main function as far as I’m concerned. No longer use this device as the remaining features are not relevant to my needs.Version: 1.0.18

Watch is inaccurateOn the blood pressure the watch read 120 at the same time the doctors surgery no reads 150 30 out not very good at all.Version: 1.0.11

Never Trust Webs top recommendationI bought 2 of these not even 6 months ago and neither of them have worked or lasted. I had a replacement sent that barely lasted 2 months. Only reason I’m giving 2 stars is the customer service rep was great and sent replacement fast. I was trying to move away from Fitbit because honestly Fitbit had the best customer support ever until about a year ago then became horrible. I would not recommend this product to anyone unless you can pick it up for 20 bucks or less with the lifetime warranty. It’s just a big pain in the …..Version: 1.0.18

Bad app bad productFirst watches did not work were sent replacements downloaded new version of the app and it’s all ads and won’t sync... have contacted Company but no reply.Version: 1.0.11

Sleep functionCannot get the sleep app to work. No help. No instructions..Version: 1.0.11

BP monitor disappears with updateNot happy about losing the BP monitor. Hope further updates don’t take away other features that I purchased this watch for..Version: 1.0.18

Received as a giftReceived this as a gift after being hospitalized with covid pneumonia. Had issues with my oxygen dropping and my heart rate being high. I knew the blood pressure wasn’t going to be accurate. There’s no way for it to take your pressure. Then found out the oxy reading wasn’t accurate. Heart rate was accurate. Not sure if the steps were accurate. Sleep mode never worked. The time was accurate lol. Not sure what the cost was and I appreciated the gift. They just need to tweak this product..Version: 1.0.14

Previously ownedI received my KoreTrack for Christmas. It was previously owned as evidenced by someone’s email address written in the instruction booklet and data still recorded on the device. Also it will jot record my sleep. The blood pressure monitor works quite well..Version: 1.0.11

Not greatFor the price the watch cost, I expected it to be great, the sleep function doesn’t record anything, I’ve email koretrak a couple of times the first time I got a reply within 48 hours followed the directions given and still it doesn’t record sleep, haven’t heard back from the second email that was two weeks ago, so I reset the watch and reinstalled the app, nope it still doesn’t record sleep. Could also do with more than 3 alarms. If you read these reviews please sort it out..Version: 1.0.11

DisappointedMy first one received in Jan replacement the end of Feb. first one no sleep pattern until I called into usage two weeks then it worked. Then mid feb it needed recharging, which was normal every 1 1/2 days it would not connect I chatted with them did everything, updated, reset etc then it would not even connect to record. I have had new one three days is not taking bld pressure or heart beat continuously only when I press it. Sleep pattern last night said 3.45 hrs. I slept like a log Not sure I would buy and my husband thank goodness spent the money for the warranty. Which he never does but he said as it was not a known brand he did. Wish the bugs would get ironed out, wish they could tell me what the blue and green lines meant on sleep pattern. I asked chat twice no answer.Version: 1.0.13

Very nice but seriously lacking fitness featuresJust got this app today to pair with my watch band. Seems all good but I am quite surprised there are only 3 exercises you can do??? that is seriously poor. What about body pump, climbing, skiing, walking and all the other sports you can outside? Guys please upgrade the app and add more possibilities to count calorie spending.Version: 1.0.4

KoretrakNot at all impressed with it. Doesn’t completely sink watch & phone together. (Firmware update) Device continually disconnects. The 24 hr won’t stay, keeps going to military. I set 3 alarms per day & only 1 will go off (afternoon does, morning does not). Does not alert me to any calls or messages. Sleep time is way off. The 5 seconds to see display, time, etc does not allow me to change it. Does not always show display when raising my arm. Picture taking does not work, at least not for me,lol. I do like that it gives me blood pressure, heart rate, & oxygen levels..Version: 1.0.9

Terrible appWhen asked to upgrade, it rendered my watch useless. Black screen. Nothing..Version: 1.0.13

Sleep function not workingI have tried to no end to figure out how to get the SLEEP function to work to no avail!! Please find a solution as this was one of the main functions I was looking forward to when purchasing this watch..Version: 1.0.11

Day bandI like the watch but some how the face of it changed after a few hours when I pushed the side button and I can’t seem to get it back and no where does it tell how to get the original face back. It had a butterfly on one side and time, date, battery life on the other side. Not Otis time in bigger numbers day, date, steps and calories? How do I change it back. I’ve tried every thing I can think of and searched every where for instructions..Version: 1.0.14

Rubbish productIt gives you false readings of blood pressure,heart rate, o2 etc. If you want these important information to help you to improve your health condition, you should be more careful about its accurate, because it all fake readings including time. Then, after about a week later you can not get some readings including heart rate, blood pressure, oxygen etc. Don’t buy it , it just a toy!.Version: 1.0.10

Waste of moneyI purchased this fitness band a couple of months ago and sleep app did not work. Have just updated the software and now my BP monitoring has disappeared completely. Unable to contact Koretrak, not happy!!!.Version: 1.1.0

Bring back blood pressure readingsYou need to do a new update that brings the blood pressure reading option back. This watch/fitness band came with one installed so put it back!!!!.Version: 1.0.16

Very poorThis device is not accurate. Measured with other devices this is erratic. Also some functions stop working like Blood Pressure monitoring and you cannot get them back. I would not recommend this device..Version: 1.0.16

Kortrack proKortrack does not connect to the phone. The time is not correct.Rueben G..Version: 1.0.18

Over priced !As soon as I tried using the app for walking ,it disappeared and I can’t get it back, so I bought another brand and a lot cheaper and no problems have occurred, i would not recommend the KORETRAK PRO.Version: 1.1.0

2nd KoreTrak not working1st one replaced and now 2nd one not recording BP or pulse.Version: 1.0.14

Not bad piece of kitI like this and it’s easy to use however the “sleep” part does not work. I have messaged the support team a few times over a 2 week period but sadly no response. Which is a pity cos seems a nice watch.Version: 1.0.11

Blood PressureDon't Install update will steal your Blood Pressure App. Just Disappears off Watch..Version: 1.1.0

Poor appCompared with VeryFitPro the display and functionality are very poor. Using a Kore Track watch the sleep period is very badly timed. Many other poor aspects. NOW, an offer to upgrade the firmware has DESTROYED connectivity. When connected the watch repeatedly reboots!.Version: 1.0.12

Very poor qualityI was told the watch does amount of oxygen in blood but it doesn’t and you can’t change exercise who the hell plays table tennis. Would not recommend it.Version: 1.0.13

Do not buyI had just one today!! It won’t even turn on or charge!! A waste of cash and time!!.Version: 1.0.19

DisappointingThis relates to interface with KoreTrack. Encouraging at first. Cheap. Easy to instal and set up. Good display. But actual functionality is very poor. Almost fake sometimes? Unlike Fitbit, heart rate is not measured continuously, and is frequently (clearly) very wrong. BP is highly dubious (a random or default number generation?). This then raises real doubts about other measures. No ability to change date format..Version: 1.0.11

Sleep appI have read this in previous reviews, I also can not get the sleep app to work at all. What’s up with that..Version: 1.0.11

StrangeMy watch buzzed every hour for the first week, to let me know that I hadn’t moved, but now it’s stopped. The sleep function didn’t work, but after the last update it did, and now it’s stopped working again 😡.Version: 1.0.12

Battery LifeAm disappointed with the battery life. I have to charge it every 24 hours. Would have thought it would last longer than that..Version: 1.1.0

Not what promisedI have had the device for over 2 months and wanted to give it a try. Well almost every review says that keeping track of sleep is messed up and that is CORRECT No matter what time I go to sleep it always says I went to sleep at 11:45 pm and it then tells me I woke up either 4 hrs later or it’s says nothing. Up till 4 days ago when it updated the best feature was the blood pressure monitoring but that went away after the update Every time I try to take it it says connect blood pressure to app.I have reinstalled app and have connected and disconnected the Bluetooth about 15 times but it still won’t work so whatever they updated they need to undo it. I will see if they correct it in a week or two or I will contact them for a new one and I’ll see how good the lifetime warranty is. And I started to feel bad about this review and decided to go to support and it’s all in Chinese or like. I tried to find an English translation to contact them but I really don’t have 10 minutes to play around and feel dumber for buying another thing from China.Version: 1.0.15

AwfulWatch sitting on top of my phone, fully charged, Bluetooth on and yet app can’t find it. What is the point? Only saving grace is that this was a free gift from work and I didn’t pay my own hard earned cash for it otherwise I would be livid!.Version: 1.0.15

Unhappy!When we first got device, sleep tracker did not work. Company said update would soon fix that. After a month, it did; however, times appeared to be off. Could not sync to correct time of day or night. About 2 weeks ago, the time went haywire. After installing the latest update, now the blood pressure part of the app no longer registers; the error message says, “connect device that supports blood pressure.” Very unhappy as I depend on the features for blood pressure, heart rate, and blood oxygen levels. Will be shopping for a different fitness tracker today. Very dissatisfied!.Version: 1.0.16

Not Accurate and No Sleep FunctionNot going into how difficult it was to actually GET the watch...Can you spell nightmare? I called when I received it, because I really wanted the sleep function. When I asked the young man in customer service (this was on 12/31) he said they didn’t have it yet but that it would be available in 2021. So I asked him when, and he got flustered. Tomorrow, he asked me? Clearly not the sharpest knife in the drawer. I walk 4 miles every day with my wife. We mapped it out months ago in my car. It’s actually 4.2 miles, and yet the watch tells me it’s 3.6 or 3.7 miles. There is no way to alter the step size, which for me is an issue. It’s an OK watch for the price, but I guess low price means you get what you pay for, instead of meaning wow what a great deal..Version: 1.0.11

It won’t track my sleepI wore the smart bracelet for the last two nights and it recorded none of my sleep. It keeps asking me if I wore my watch to bed. I did and it not recording. Why do you have to take your own pulse and blood pressure? I can understand the blood pressure but why doesn’t it keep track of the pulse all the time. Next thing why do I have to recharge the smart bracelet every morning. I’m about ready to dump it all..Version: 1.1.0

BpBp totally useless. unless you calibrate against dedicated BP machine. Bp cannot be 120/70 all the time!.Version: 1.0.10

Don’t botherCan’t really rate the app but the armband is useless for anything other than the time. I always seem to have perfect blood pressure even if I don’t take my anti hypertension meds. I compare with personal bp unit. O2 sats are a joke I have a personal sensor at home and comparing at the same time. I am a nurse and I’ve checked my personals and this band at the hospital and hands down the arm band is far from accurate. It says I got 8 hours of sleep when I know I only got about five. The steps are also totally inaccurate. Will try to get my money back but doubt I will. They had to have known this was a piece of crap..Version: 1.0.10

Mrs JWas happy with this watch until the last update. The blood pressure monitor which I relied on for information no longer works which is really annoying. Why has this function been disconnected by the update?.Version: 1.0.15

Total crapI bought this after reading countless reviews about how great this band was. I’ve had mine over 1 week and been wearing all the time, already I’ve come across two problems, firstly it does not keep accurate time if Bluetooth is off, loses 2/3 minutes every day, secondly, there is no way that I can find to “set” the step distance, again accuracy useless. I have an alternative band that I’ll be going back to as this one gives seriously false information. Look around before you purchase this. By the way I gave it 1 star, if I could I wouldn’t give it any..Version: 1.0.11

DissapointedI bought three for myself and family members sad to say the sleep doesn’t track and the BP registers the same reading each time. When compared with it done by my nurse it is too low so could be dangerous. Pay a bit more and get a decent one..Version: 1.0.18

Watch is JunkBlood pressure readings are clearly wrong. I checked it against an Omron machine and the watch BP readings are about 15 to 20 points understated. My watch has now stopped working after only one month. I have sent 4 emails to the “Award Winning Service Team” asking how do I go about having the watch repaired or replaced. I have not yet had a response. Don’t buy this watch; it’s junk..Version: 1.0.13

Disappointing doesn’t show all its supposed to.No sleep tracking data ever shows. This was one thing I was interested to view. Videos and ads state it can be viewed. Buy a trusted brand this KoreTrak looks good but doesn’t live up to all its hype. Disappointed to say the least..Version: 1.0.11

Sleep dataStill does not work.Version: 1.1.0

Don’t workSleep tracker won’t work, wast of money.Version: 1.1.0

Not good valueBe aware you will have to pay import duty if you are not in the USA. It cost me another £11 here in the UK. Also if it isn't right for you returning it will be difficult.Version: 1.0.13

KoreTrack Device and DayBand AppApp does not retain data from the device when you have to reset the device, shouldn’t be that way (loss my data four times). While a rep responded promptly, within a day, to issues I was having their suggested solutions didn’t work (Strike 1). I figured out what to do myself. They don’t seem concerned about buyers losing their data, they do apologize (Strike 2). And Strike 3, the company took it upon themselves to remove the Blood Pressure Tracker in the form of a firmware update that both removed it from the device and app. This was a feature that was paid for when purchased. No warning or option to keep it from the company (one moment it was there and upon doing firmware update it was gone). Until they add the feature back in I do not recommend buying. I have been waiting a month to hear back from them about the missing feature, dead silent. Too bad, I would still be using it if they hadn’t done this to their customers. I have moved on to a different company..Version: 1.0.16

Sleep records don’t workI never could link my sleep record since day one I tried everything I had to buy another type of watch Now I have two watch on my wrists it’s ridicules There’s still no way to connect my sleep device is there anyone that can help ? I went on my settings Bluetooth forget device like you suggested didn’t change anything very désappointed.Version: 1.0.11

Main displayHow do I change the main display. It currently is a analogue clock face, I want the time displayed digitally.Version: 1.0.11

Sleep & weatherThe sleep app does not work. I also noticed that the weather app does not work either..Version: 1.0.11

Blood pressure functionA great watch working perfectly until I updated the system after that the blood pressure function does not work. I’ve reported this twice with no reply. Dapper.Version: 1.0.16

Blood Pressure monitor is missing.I bought this watch and I was very happy but now after I updated the new firmware the BP Monitor is missing. I hope you put it back so I can use this function again. Right now I’m not happy..Version: 1.0.16

Faulty product.The sleep function doesn’t work and the step counter doesn’t count correctly, in comparison with other accessories that cost less..Version: 1.1.1

Pretty poorSleep monitor utterly rubbish. Reported 8h sleep starting an hour before I got in from work, and continuing 2 hours after I woke up and had been to the toilet! Several nights of waking up and having to get up yet reports deep sleep at these times. Heart rate monitor ok - does match my actual pulse rate. BP monitor - not quite sure how it reaches a measurement but I’ve never had such good BP so am suspicious. Step counter Inconsistent. Was on my feet continuously walking a LOT at work for 8hours yet only recorded 1500 steps..Version: 1.0.11

Editable fieldsThe do not disturb part of the standup reminder needs to have the ability to edit the time for do not disturb. It’s extremely inconvenient to just have it set for 12 to 2. It should have the ability for picking the time..Version: 1.1.0

Not accurateThe monitor heartbeat is totally inaccurate. It monitors my bpm as 83 whereas on a finger device and counting it myself my true bpm is 45. The whole purpose of buying this device was to monitor my bpm whilst cycling but it’s clearly not suitable and such misreading could be dangerous. Avoid.Version: 1.0.18

So sorry!I got this watch to track my temperature but the app doesn’t import any temperature data from my watch 😢 This is a missed opportunity!!!.Version: 1.0.3

Update downgradeBeen using the watch for about a week. Have been happy with it and was planing on a 4 star rating. Needed temperature function to get a 5. Regrettably I just received a notice of an update and did so. Lost the blood pressure function which was one of the reasons I bought the devise and one I use a lot. Without this function I will probably relegate the device to my junk draw and just write off the purchase as a bad idea..Version: 1.0.15

Not ReliableI bought this for the blood pressure monitor portion. It worked pretty good I guess for a couple of months. Problem from the beginning was keeping the device charged. I kept having to put in the USB port to charge it at least twice a day. That was very frustrating and finally at this point it won’t register my blood pressure, my body temperature, blood oxygen, or my pulse. The sleep function was a joke. Bottom line: You folks might want to try something else because this venture is not working out for you as there is a slew of other negative feedback reports that I see..Version: 1.1.0

DisappointedSleep not working Have email but no reply Battery only last 2 day Such a shame It falls down on quiet a few things.Version: 1.0.12

Latest updateI bought this watch because it let you keep track of your heart rate, steps and blood pressure. With new update they took away the blood pressure monitor. Seems to me they build this up to get you to buy it then with each update they take things away. Bring back the blood pressure monitor. That was the most important part of the watch..Version: 1.0.16

Really annoyed I didn’t read the reviews1- battery won’t last a day sometimes 2- sleep recording doesn’t work 3- keeps telling you are sitting for too long, sometimes just after you sat down. It’s probably worth $3/4 nothing else. Specially when paid €30 in Ale-hop you feel robbed.Version: 1.1.0

Watch not work after time changeAfter the time change, the watch no longer records sleep records..Version: 1.0.13

Unable to access read outWatch shows heart rate screen,blood pressure screen,and oxygen screens but does not show readings,screen just turns off with no readings.Watch was purchased specifically for these screens due sleep apnea,it also does not monitor sleep patterns,so the whole watch is not doing what advertising says it should do.Very disappointing..Version: 1.0.11

Wrong timeThe time on koretrake is always wrong nev29192..Version: 1.0.11

Lost BPDid the latest update and lost the BP monitor. How do l get it back?.Version: 1.0.16

More track and appApp does what is suppose to do. The kore track pro watch fails. If you sweat, battery shorts and drains out. The sleep function is basically a rest function as it really can’t tell if you are asleep or not, got up went to the bathroom and it says light sleep. When I walk my dogs step counter went from 8000 to 4000, lost half of logged steps. Cannot change the weather location on the watch as it gives weather for a city 2hrs west of my location..Version: 1.0.16

LindaNot working as it should. 14,000 steps should not equate to 54 km.Version: 1.1.0

Blood pressure —?????Blood pressure sign does not show up on the face of the watch anymore. Why?? rest are still there. Can I get it back on ? How ? Thank you..Version: 1.1.0

KoreTrak watch RubbishThis app tries its best to work with the KoreTrak watch, however nothing works Sleep tracker, Heart Rate, Blood Oxygen & Blood Pressure all not working which are the main features of the Watch..Version: 1.0.8

Sleep function at 0;The sleep function totally does not work. When I try to access the contact to the company and submit a report via the app it says that I’m not connected. I don’t know how the app should be connected in any other manner because my watch and phone are syncing. Also, it’s part of the promotion, upon purchase, I accepted a second watch at half price. But my husband cannot read the watch without his glasses. Since I wear glasses full-time I can read it, but I won’t be able otherwise to say anything. It’s the whole thing is just too small.Version: 1.0.13

Sleep function??It’s great for steps and all but can’t seem to get the sleep function to work? Anything I should do?.Version: 1.0.11

Mr AdamsMy sleep pattern does not work I would like to have it replaced or my money returned Thank you.Version: 1.0.11

The watch works but the app needs a lot of improvement.Heart monitor options have a maximum of every hour unless done manually. The continuous monitor isn’t working either after the latest update. Considering this was the main reason for purchasing the watch i’m very disappointed. If you can auto record sats every 10 minutes, why not heart rate too??.Version: 1.0.18

First 2 days with watchGot watch and was exited based on best smart watches reviews. The heart rate is stopping half way during measurement. I tried single and one constantly checking and both stops. The blood pressure measurement also is stopping. No readings and have done what the section about questions and answers show. The sleep tracker did not work last night and was asking if I wear the watch all night which I did. So far not happy with investment..Version: 1.1.0

Doesn’t workDuring a week I tried to check how it works and no results were same as my trusted devises showed. So it isn’t precise. It stopped suddenly and can’t charge. There is no how to return it....Version: 1.0.4

KoreTrakI just received item 3 weeks ago and was prompted to do an update. My device will not update with my Bluetooth and does not recognize my device. I have completed ALL steps many, many, times in the directions, as well as a few troubleshooting tricks that I am aware of from having a similar device. My device keeps buzzing like crazy and will NOT connect. In addition,It would never track my sleep patterns even though the option was available in the directions. I would not recommend this device..Version: 1.0.13

Some Function issuesOnly 2 stars for the watch. Don’t really recommend. Every morning time is running 5-minutes behind until you sync it up. Oxygen measurement is not working in the watch. I suspect that’s why the app itself doesn’t record it..Version: 1.0.11

We have five Koretraks and NONE record sleepMy mom is a senior citizen and got duped into buying two of these devices from a Yahoo advertisement because she really wanted a device that monitored her BP and sleep. The first two devices she received did not track sleep at all. She contacted the company and they offered a replacment. That one didn’t track sleep either. She contacted the company again and they sent her another two replacements which took several months to arrive. Just tested these two and they don’t record sleep either. That’s a total of five devices and none of them record sleep. This product is a scam. Very heart breaking this company manages to lie and take advantage of older customers who don’t know to read reviews before buying..Version: 1.0.11

Could be betterIn a recent update, it removed the BP recording function which, was one of the main reasons, for my purchase. Apart from that small gripe, overall I’ve been happy with this product, hence only giving 3 stars..Version: 1.0.18

App needs improvementThe app used to sync with the watch, but since the firmware update the watch will not sync. I’ve tried everything from restarting the watch to restarting my phone; turning the Bluetooth on and off, and reinstalling the app. Nothing works. What’s worse is that if the watch doesn’t sync, the time goes off sync. The watch shows time that is 3 minutes later than the actual time..Version: 1.0.12

WatchBattery live is carnage does not last 24hrs , doesn't track sleep record ,does not continuosly keep heart rate very spotty withBP pressure . In total one big piece of carbage do not buy !.Version: 1.1.0

It’s okay.The watch is a good motivator, but not always accurate with steps and sleep patterns. I just road a 20km cycle ride and it says I have a grand total of 4200 steps. It also tells me that I’ve gone to sleep 1-2 hours before or 1 hour after I really did. Like I said it’s a good motivator and it does tell time..Version: 1.0.12

It’s okThis watch does all the basics most of the time so I am not complaining but may I suggest that you add a customisable background.Version: 1.1.0

Some functions missingSome problems experienced, for example the Display TImeout cannot be changed from the default 5 seconds and where is the ability to change date format?.Version: 1.0.10

Seems to be nothing more than a watch that can’t keep accurate timeThe first one I received (8 weeks after placing the order) didn’t work correctly, so after contacting the company, they sent me a new one (which arrived in a more timely manner). I’ve noticed that unless I keep the Bluetooth on in my phone the time lags by as much as 6 minutes. Today ( 2 months in) the sleep notification isn’t working, which was one of the issues with the first one. I was told back then that they were “working on” fixing the issue with sleep monitoring but it looks like they STILL haven’t fixed it as there are no updates. The BP reading also isn’t accurate, so guess I bought a watch which can’t keep accurate time on its own!.Version: 1.0.13


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