3.6
3.66667 star

Total 9 Positive Reviews

PerfExpert App User Positive Comments 2024

PerfExpert app received 9 positive comments and reviews by users. Can you share your positive thoughts about perfexpert?

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PerfExpert for Positive User Reviews

Great car performance informationI wasn't ready to go spend hundreds of dollars on a Dyno run. So I went looking for a Dyno for my iPhone and I came across a PerfExpert. PerfExpert was the first performance app I tried. Their website has the information that was not included in the app for how to set it up and make it work. It works so well for me that I didn't even go look for any other dynamometer apps. I recommend this app for anyone that's interested..Version: 2.0.1

Waste of moneyDoes not work as advertised, nor does it work for automatic transmissions. Waste of my money, I want a refund..Version: 1.3.1

Good but needs some improvementsThis is a great app, but needs a few improvements given the high price. These include making the app optimised for iPhone 6 & 7 screen size (the iPhone 5S upscaling is awful), and allowing multiple runs to be overlaid on the same results graph. Finally, given the high price, such an imposing watermark on the results graph seems unnecessary. Thankfully though, the app seems accurate and I would recommend. I just hope the developer listens to the above suggested improvements..Version: 1.5.2

NiceI have contacted the creator numerous times and he has helped me everytime!! I recommend this app. With the instruction and information on the forum you can see muy progress that can very well help you. The creator is very responsive just as the app. Thanks!.Version: 1.1.1

Need a little helpTrying to put all the numbers in properly to dunk the car but I have a 2017 civic lx hatch that is a CVT transmission. I have full bolt ons and running full e85. In the fuel option it only lets me choose between gasoline or diesel and the second problem I have is that I don’t really have any defined gear ratios besides my first gear final drive and reverse. Would the app still be accurate missing those parameters?.Version: 2.2.1

Pretty impressed!I can plug the info that this app gave me into a 1/4 mile calculator, and the trap speed (which is the more accurate way to calculate power) is only off by 2.5mph from what my car actually ran at the track. I'm impressed! You need two things, a phone with a good g sensor, and you have to be able to plug in all the info the app asks for. The less accurate your car statistics are, the less accurate this app will be. Happy I spent the money..Version: 1.4.1

Nice AccuracyKey to this app! Key in Correct info. And this app is Great. Excellent tuning tool..Version: 2.2.2

Pretty spot onI have had 3 dynos on my car within the last month so I know what my graph should look like. My car was not listed in the pre selections so I had to input that data. The graphs were really close. It would be impossible to say they just used factory data since my data was not available and it didn’t ask for the horsepower at all. So two thumbs up for me..Version: 2.2.0

Very accurate, useful and stableI have tested numerous apps which some where OBD2 connected and some like this one, independent of OBD2 being a stand alone one. I was surprised to find out how accurate this app in comparison to a standard dyno. In fact, I feel that this app gives me a more reliable reading in comparison to commercial dyno where parameters can be adjusted by the operators which may not be in line with the proper characteristic of my car. One improvement that I would suggest is: to allow the user to choose the 2 or 3 results that will show up as the “average “ and allow to present this “average “ in a graph. Great app..Version: 2.2.2


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