# Fuel vs My Flasher US

The clearest difference is rating: My Flasher US at 4.4 against Fuel's 3.1. My Flasher US also leads on update cadence (every 9 days vs every 10 months) and review sentiment (75% vs 50%). Fuel's advantage is ratings volume (34 vs 7) and iOS requirement (13.4 vs 15.4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

My Flasher US holds the better App Store score, 4.4 against 3.1. Both are backed by a comparable volume of ratings — 34 and 7 respectively. Written reviews point the same way: 50% of Fuel's written reviews are positive against 75% of My Flasher US's.

Fuel ships an update every 10 months, My Flasher US every 9 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Fuel | My Flasher US |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (34 ratings)](https://appshunter.io/ios/app/fuel-it-eca/id1004246767/reviews) | **[4.4 (7 ratings)](https://appshunter.io/ios/app/my-flasher-us/id6757482466/reviews)** |
| Number of ratings | **34** | 7 |
| Positive reviews | 50.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 20 MB | 96 MB |
| Requires iOS | **13.4** | 15.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [SwitchOver Inc.](https://appshunter.io/developer/1859933147) |

## What reviewers say

### Fuel

[App page](https://appshunter.io/ios/app/fuel-it-eca/id1004246767)

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.

**Highlights:** Real-time ethanol concentration monitoring, Real-time fuel temperature monitoring, Wireless Bluetooth connectivity, Ethanol fill-up concentration calculator, Fahrenheit or Celsius display options, Two display views

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### My Flasher US

[App page](https://appshunter.io/ios/app/my-flasher-us/id6757482466)

This app allows users to tune and optimize their car's ECU through a connected plug-in dongle. It offers features like reading/writing ECU data, seamless dealer communication, and automatic vehicle identification for a personalized tuning experience.

**Highlights:** Read & Write ECU Data, Seamless Dealer Communication, Automatic Vehicle Identification, Secure and Easy-to-Use Interface, ECU Tuning and Optimization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fuel free?

Fuel is free to download, with no in-app purchases.

### Is My Flasher US free?

My Flasher US is free to download, with no in-app purchases.

### Which has better reviews, Fuel or My Flasher US?

My Flasher US is rated higher. Fuel averages 3.1 out of 5 from 34 ratings, while My Flasher US averages 4.4 from 7 ratings.

### Do Fuel or My Flasher US have ads?

Neither Fuel nor My Flasher US shows ads.

### Which is updated more often, Fuel or My Flasher US?

Fuel ships an update every 10 months, and My Flasher US every 9 days. Most recently, Fuel was updated on November 6, 2026 and My Flasher US on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*