# Fuel vs MHD Flasher

The clearest difference is rating: MHD Flasher at 4.5 against Fuel's 3.1. MHD Flasher also leads on update cadence (fortnightly vs every 10 months) and review sentiment (65% vs 50%). 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.

MHD Flasher holds the better App Store score, 4.5 against 3.1. That said, the two scores are not equally well evidenced: MHD Flasher has 206 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 50% of Fuel's written reviews are positive against 65% of MHD Flasher's.

Fuel ships an update every 10 months, MHD Flasher fortnightly. The most recent releases landed on August 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Fuel | MHD Flasher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (33 ratings)](https://appshunter.io/ios/app/fuel-it-eca/id1004246767/reviews) | **[4.5 (206 ratings)](https://appshunter.io/ios/app/mhd-flasher/id1468182144/reviews)** |
| Number of ratings | 33 | **206** |
| Positive reviews | 50.0% of reviews | **65.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 20 MB | 239 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmac Mobile Developments, LLC](https://appshunter.io/developer/372235786) | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) |

## 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


### MHD Flasher

[App page](https://appshunter.io/ios/app/mhd-flasher/id1468182144)

This app allows for complete DME remapping of BMW vehicles, offering maximum performance and safety. It provides full OBD flashing, pre-configured performance maps, and advanced engine monitoring capabilities. Users can also customize various flash options for a personalized driving experience.

**Highlights:** Complete DME remapping, Full OBD flashing, Pre-configured performance maps (Stage 1, 2, E85), Advanced engine monitoring, Customizable flash options, Revert to factory OEM flash

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast flashing speeds (16-30 seconds)
- 👍 User-friendly interface and intuitive design
- 💪 Significant power gains and performance improvements
- 🎯 Excellent OTS (off-the-shelf) maps with multiple fuel options
- 📊 Comprehensive data logging and monitoring capabilities

**What reviewers complain about**

- 🐛 Frequent app crashes and stability issues
- ❌ Recent update broke core functionality for many users
- 🔌 Connection problems with WiFi adapters
- 📵 Unable to open app after recent updates
- 😞 Poor customer support responsiveness (recent)

**Reported bugs**

- App crashes on iOS 26.2 and newer versions
- Unable to flash after recent updates
- Unable to erase memory errors
- App fails to open after installation
- Connection constantly disconnects on N55 F30 platform

**Requested features**

- Add 94 octane fuel option
- Support for diesel engines
- Support for N63 engine tuning
- Max cooling fan option in new app
- Ability to change login email/username


## Frequently asked questions

### Is Fuel free?

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

### Is MHD Flasher free?

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

### Which has better reviews, Fuel or MHD Flasher?

MHD Flasher is rated higher. Fuel averages 3.1 out of 5 from 33 ratings, while MHD Flasher averages 4.5 from 206 ratings.

### Do Fuel or MHD Flasher have ads?

Neither Fuel nor MHD Flasher shows ads.

### Which is updated more often, Fuel or MHD Flasher?

Fuel ships an update every 10 months, and MHD Flasher fortnightly. Most recently, Fuel was updated on August 27, 2026 and MHD Flasher on September 24, 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.*