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
3.7 avg rating
9 free apps
Updated August 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
3.2(32 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(25 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
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e85Cal
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This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.
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E85 App
E85 prices & blend calculator
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Find E85 gas stations nearby and calculate E85 fuel mixtures. This tool is designed for car enthusiasts who use or are interested in E85 fuel.
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DIY Metal Detector (Au,Ag,Fe)
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This app connects simple DIY metal detector circuits to your iPhone via the headphone jack. It allows you to build your own detector to find ferrous and non-ferrous metals, including gold and silver, with basic discrimination capabilities. The app helps stabilize circuit parameters for accurate readings.
Connects to DIY metal detector circuitsDetects ferrous and non-ferrous metalsDiscrimination between metal types
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Hondata
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Transform your phone into a car performance and diagnostic tool. Monitor real-time data, track fuel economy, and troubleshoot engine issues. Includes customizable gauges, trouble code reading, and CarPlay support.
Real-time sensor trackingRead and clear trouble codesFuel economy tracking
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MHD N55 E-Series
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This utility app is being retired and users are encouraged to switch to a unified flasher app. It retains some functionality for reading and clearing engine error codes, analyzing past data logs, and accessing vehicle licenses and user guides.
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The Best Metal Detector
by NETIGEN KLUZOWICZ SPOLKA JAWNA
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This utility app uses your device's magnetic sensor to detect nearby metal objects. It displays magnetic field levels and alerts you with vibrations and sounds when metal is detected. Customize sensitivity and sound effects in the settings.
Detects metal using magnetic sensorMeasures magnetic field strength (ΞT)Vibrates and makes sounds when metal is near
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