# MHD Flasher vs FOT

The clearest difference is update cadence: MHD Flasher at weekly against FOT's monthly. On price, ads, in-app purchases and device support 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 ships an update weekly, FOT monthly. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MHD Flasher | FOT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (216 ratings)](https://appshunter.io/ios/app/mhd-flasher/id1468182144/reviews)** | — |
| Number of ratings | **216** | — |
| Positive reviews | 65.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 241 MB | 55 MB |
| Requires iOS | **15.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) | [毅 万](https://appshunter.io/developer/1805037993) |

## What reviewers say

### MHD Flasher

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

This app allows BMW owners to remap their vehicle's engine control unit for enhanced performance and drivability. It offers full OBD flashing, various performance maps, and real-time engine monitoring. Users can also customize flash options like exhaust burble and Vmax removal.

**Highlights:** Full OBD engine remapping, Multiple performance map stages, Real-time engine parameter monitoring, Configurable gauge layouts, Customizable flash options, Fast installation and map changes, Revert to OEM flash capability

**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


### FOT

[App page](https://appshunter.io/ios/app/fot/id6744631124)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MHD Flasher free?

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

### Is FOT free?

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

### Do MHD Flasher or FOT have ads?

Neither MHD Flasher nor FOT shows ads.

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

MHD Flasher ships an update weekly, and FOT monthly. Most recently, MHD Flasher was updated on November 3, 2026 and FOT on October 25, 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.*