This app allows you to monitor your vehicle's fuel system performance in real-time. It displays device settings and helps locate nearby E85 fuel stations for convenient ethanol blending.
2.8(54 ratings)
Free
Best apps like eFlexApp
10+ similar apps compared and reviewed
3.8 avg rating
9 free apps
Updated September 2026
Looking for something like eFlexApp? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.
Top Alternatives to eFlexApp
Fuel-It! ECA by Dmac Mobile Developments, LLC
Strong Contender
ð§ Utilities
3.1(33 ratings)
Free
Monitor your vehicle's ethanol concentration and fuel temperature in real-time. This app wirelessly connects to a compatible Bluetooth module, freeing up your device's port for simultaneous charging and monitoring. It includes an ethanol fill-up concentration calculator and customizable display views.
Tune Delivery Network (TDN) by HP Tuners LLC
For RTD+ and other TDN devicesWorth Considering
ð§ Utilities
2.5ð(26 ratings)
Free
This application allows users to receive custom vehicle tunes from their tuner via a compatible TDN delivery device. It facilitates the transfer of performance tuning files directly to your vehicle's tuner. A specific TDN-compatible hardware device is necessary to use this service.
What We Love
- ð Flashing tunes fast and easy
- ð Convenient for tuning without a Windows PC
- ð Great for remote tuning and diagnostics
- ð Works well when tuner sends file
Room to Improve
- ð Constant connectivity issues
- ð Crashes and freezes frequently
- ð Glitchy and inconsistent performance
- ð Bluetooth disconnection problems
- ð Sync and file transfer issues
- ð Compatibility problems with newer iOS versions
