3.8
3.84615 star

Total 22 Negative Reviews

Engine RPM App Complaints & User Negative Comments 2024

Engine RPM app received 22 complaints, negative comments and reviews by users. Have you ever had a bad experience using Engine RPM? Can you share your negative thoughts about engine rpm?

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Engine RPM for Negative User Reviews

FrustratingI just want my 9 dollars back. Sick of trying to get this to work..Version: 2.4.1

Expensive app that doesn't workVERY disappointed in this expensive app. I have previously used an RPM from sound app on a PC and it worked quite well. This one didn't have a clue. Used it in a single engine airplane (recommended use in the app description) and it didn't have a clue. Giving it a hint didn't help at all. Actual RPM was about 2,500 and it would jump from many thousands to a few hundred. And back again. Best use would be as a random number generator. Save your money. Guess that's what I get for being an early adopter..Version: 0

DisappointingTried it on 2 cars and a tractor (for which we really needed the measurement). After reading all of the help and trying for 30 minutes we could not get a reliable reading on any of the engines. Net net, You tell it where to and it tells you "sure, there's a harmonic near that range". Worthless. Wish I could get a refund..Version: 1.1

Can not get it to workHave tried several things and can not get it to match up to RPM. Must not be using properly, but seems to jump around from one number to another, sometimes 1000 RPM differences..Version: 2.1

Seriously????Want a REFUND. Does not work. 1 star cause I needed to enter a star to review this app..Version: 1.1

Really?I bought this app ($8.99) to save some money on a hand held, single-purpose device at around $100. I read the manual and have adjusted all the settings. It seems to work only when you tell it what you think the RPMs should be. It agrees for a moment then jumps around as much as 2,000 RPMs between refresh. I was hoping to tune my yard machines but it looks like I need to spend the hundred bucks. Can I get a refund?.Version: 2.1

No good for meI only tried it on two different stihl chainsaws (2 stroke single cylinder)and it was garbage. At idle(2600rpm) it bounced from 300 to 6000 but mainly stayed around 850. I tried all the different settings with no luck. It was a waste of money for me..Version: 0

It works well when you set it up correctly.I needed an app to provide a confirmation during calibration of an analogue electronic rev counter in an aircraft. It does provide an excellent, accurate reading (as subsequently checked with an electronic digital tachometer) but it is critical to set the guess, tolerance and harmonics to suit the engine in question. If this process could be simplified or automated the app would be worth 5 stars! Even enabling the (ideally auto) scaling of the graphical display to enable easier matching of harmonics would be a great improvement. Nevertheless it is an ingenious app which could be very useful..Version: 1.1

Complete scamThis app does Nothing except generate random numbers. It's a total scam and I'll be pursuing a refund. Stay away..Version: 0

Guessing is way more accurateI thought this would be a brilliant app. I had to set the idle speed of a lawn mower, so thought this app would be ideal. £6 is pretty expensive, but cheaper than an RPM meter, so why not give it a go? I wish I hadn't bothered. I've spent half an hour with it, tried everything and every setting to get it to work, and it's just utterly useless. I've tried it on my car, and the mower and the numbers it displays are totally meaningless. I tried everything with the harmonic settings, and still nothing useful at all gets displayed. I have read the instructions from start to finish too. Sorry guys, my eyes lit up when I saw this app, but it's a massive let down. I wish I had saved the money!.Version: 1.1

Fancy looking interface doesn't workThe idea of this app is great and that is why I bought it. I foolishly ignored all the negative reviews. I could not get this app to report anything near an accurate RPM measurement..Version: 1.1

Impossible to UseI wanted to use this app to set my idle speed on my lawnmower. I set it up for 4 cycle single cylinder mode and turned on the range hint option. With the range set to 10% it constantly read either the top of the range or the bottom of the range. I adjusted up to 20% and tried every possible combination of harmonics (high, mid, and low) without ever getting a consistent reading. I can tell by familiarity with the tone of the engine that it is close to the appropriate idle speed (2100 rpm), but never got a reading with this app to confirm that it is set appropriately. For fun, I also tried to find out the peak rpm at full throttle, and had the same results at that range (3600 rpm). Don't so what I did and waste $8 on this app trying to save time and money. For twice the price you can get a wired tachometer and get an actual reading, not a useless app that tells you nothing..Version: 1.1

Does not workDoes not work on my iPhone 6 for either my marine 4 cycle gas engine or either of my cars. Any chance of a refund?.Version: 2.1

Learning curveThis app does take some time to learn how to use. You do have to first estimate rpm , but comparing to my digital tach it is +- about 2 rpm. The nice thing is that you do not have to be near the ignition system for it to register rpm. I use it with an iPod touch 8 gb and a small plug in mic ($3 Internet )..Version: 0

Buyers beware!This app is a waste of money and time and space I bought it and tried it on 2 of my motors and nothing happend! DO NOT BUY.Version: 1.1

Completely inaccurate. Do not buy.I tested this app on several electric motors ranging from 7,000 to 30,000 rpm and it gave me completely inaccurate readouts every time. Not only that, but it randomly skips between too significantly different numbers, such as 3,000 and 7,000 or between 10,000 and 20,000. Even in a sound proof room it gives random readouts when no sound is heard. How can the app creator justify charging so much for an obviously bugged app? I really would like my money back..Version: 2.1

WasteWorthless on a yamaha single cylinder bike..Version: 2.0

Not impressedI have tried all the different settings and this app is a total waste of money. I wish they gave you a week to try it out before purchase. Does not get remotely close on jet ski, V8 truck, snow blower, or lawnmower. DO NOT BUY!.Version: 2.1

RPMThis App is really hard to use. Be advised you'll need a physics degree to have any success..Version: 1.1

Rip offThe app opens for about a second and then closes, it is a total waste of money, does not work at all!!.Version: 2.0

Waste of moneyEven cars on street interferes with readings - completely useless and overpriced.Version: 2.0

SteamedThis app does not seem to work. I've tried it several times and get the same results. The display only shows blanks and intermittently flashes incorrect data. I'm trying to find a way to get my money refunded but no luck so far. I am very disappointed in this application..Version: 2.2


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