eFlexApp is an auto & vehicles app developed by StepOne Tech Ltd.
Download Statistics
eFlexApp has been downloaded 40 thousand times. In the last 30 days, the app was downloaded 500 times. It is ranked #132 in auto & vehicles.
User Ratings
eFlexApp is rated 3.47 out of 5 stars. The rating is based on 490 ratings.
App Information
eFlexApp is FREE to download. The APK download size is 18.25 MB. The latest version available is 2.2.13. The last update was on February 9, 2026.
Technical Requirements
eFlexApp requires Android 4.3+ or higher. The app has a content rating of Everyone. The app has been available on Google Play August 2020.
Description
With eFlexApp you can monitor your eFlexFuel device in real time. eFlexApp recognizes your eFlexFuel device version and offers different features with each product. The app also enables adjusting of eFlexPlus and eFlexPro devices. Change language (English, French, Finnish), temperature unit (°F/°C) and theme (light/dark).
MONITOR: ethanol content, engine RPM, duty cycle, fuel temperature, ambient engine temperature, injector activity & cold enrichment ADJUST: RPM based enrichment with driving mode selection (save a custom driving mode setting created with eFlexTuner software) & cold enrichment (save a custom setting created with eFlexTuner software) CHECK: device status, startup information
eFlexPro and eFlexMoto Pro
MONITOR: ethanol content, engine RPM, duty cycle, fuel temperature, ambient engine temperature, injector activity & cold enrichment ADJUST: RPM based enrichment with driving mode selection (save up to three custom driving mode settings created with eFlexTuner software) & cold enrichment (save a custom setting created with eFlexTuner software) CHECK: device status, startup information
eFlexApp communicates with your eFlexFuel device via Bluetooth. Permission to use Bluetooth is required.
Please contact support@eflexfuel.com if you have any feedback!
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This company is the best for installing E85 to your vehicle. The app is great, I wish they would do more updates to the app to change it up every now and then. Other than that it works great. Have had no issues since I installed it on my 2010 Camaro SS. I definitely recommend this company for installing E85 to any vehicle you have. Love that you can run any mixture of fuel in it as well. Keep up the good work Reflex Fuel
★★★★☆Pedro Maya· Mar 23, 2022
I like how I have my options to select start up and monitor my ethanol sensor percentage very neat simple easy to use. Sometimes it has a hard time connecting but otherwise the reflex plus is a great device and during this war with Russia and Ukraine I know has price will go up and e85 is still really low.
★☆☆☆☆Chris G· Jan 24, 2025
Won't connect at all *edit after reinstalling and reconnecting app, Bluetooth it works now. **Edit again slowing trying to connect then it gives up. 1 star from 3.
★☆☆☆☆Ossi Pärssinen· Aug 8, 2021
Initially worked. Now it says "you must connect to device named eflexfuel". In the list it shows device named Flex Fuel and does not want to connect.
★☆☆☆☆Moises Recancoj· Oct 11, 2023
The app doesn't work properly. I have to Uninstall/ reinstall and then works. Whe I reinstall it works one time. So depressing.
★☆☆☆☆C F· Feb 3, 2025
Doesn't connect fuel log don't work fuel map don't work add vehicle don't work 🙄 Cobb makes an E85 kit 👍
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