Estimated from the grossing charts of Oct 21, 2026 in the 53 countries we track, and ratings growth on the App Store.
From our daily snapshots of every grossing chart.
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Measured from the store, not estimated.
From the latest 23 reviews on the United States App Store, Jul 29, 2017 to Feb 26, 2024: 35% are 1 or 2 stars. Open a theme to read what people wrote.
3 of the 1 and 2 star reviews.
★★★★★ This was helpful when mixing content or waiting for the fuel content to update.
★★★★★ Hopefully they address some of these issues on a future update.
★★★★★ It's almost as if the app needs a software update or something 3 separate sensors won't connect to Bluetooth.
Nothing stands out.
2 of the 4 and 5 star reviews.
★★★★★ The calculator needs GUI update to make the slider more user friendly.
Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.
Latest reviews, United States App Store.
This app looks decent from a GUI perspective however, connecting to the bluetooth module takes several attempts to connect and sometimes even forces the app to close. Not sure if it’s a frequency issue or the app. Regardless, there are no ways to change what channel the module can be on in order to possibly fix the connectivity problem. I hope this is fixed with newer versions but until then I have to give this 2 stars
Works just as intended
I’m pretty familiar with what my car needs when it’s low, it’s almost always the same amount of e85 and 93 to get a full tank. Sometimes the calculator glitches or is just incorrect and I have to restart app several times for it to act normal.
Sliders a bit difficult to get correct. Also perhaps a bug. I've gotten mix values that were way off on the calculation page. I have the sensor installed so it reads the current mix. Turns out I have to zero that slider and manually set the current mix to get the rest of the values to calculate correctly. Should be an easy fix
You used to be able to set the app to “allow to keep screen on” so that you could bring up the app and use it like a gauge and the screen on your phone would never turn off. This was helpful when mixing content or waiting for the fuel content to update. Now I have to keep waking up my phone screen. Very annoying. Can we have this option back please???
The calculator when you are using blended fuel (e.g. e30, e50,etc.) isn’t super accurate. Plenty of other options online, but ideally would of been better to have and accurate calculator on this app. They also eliminated the option for the Lock Screen option while the app is open. That was convenient whenever to had to swap between regular premium (e10) and e30 blend. The price you pay for the app is just for the convenience of not having to route wires through the firewall to a gage. Hopefully they address some of these issues on a future update.
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Released Apr 6, 2016. Current version shipped Sep 23, 2025.
Prices, ranks and reviews are per country. Revenue above is already worldwide.
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