# MHD Flasher vs e85Cal

The clearest difference is update cadence: MHD Flasher at fortnightly against e85Cal's every 4 months. MHD Flasher also leads on ratings volume (206 vs 35). e85Cal's advantage is review sentiment (82% vs 65%) and rating (4.7 vs 4.5). 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.

e85Cal holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: MHD Flasher has 206 ratings behind it against 35, so its average is the more settled of the two. Written reviews point the same way: 65% of MHD Flasher's written reviews are positive against 82% of e85Cal's.

MHD Flasher ships an update fortnightly, e85Cal every 4 months. The most recent releases landed on September 20, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | MHD Flasher | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (206 ratings)](https://appshunter.io/ios/app/mhd-flasher/id1468182144/reviews) | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** |
| Number of ratings | **206** | 35 |
| Positive reviews | 65.1% of reviews | **81.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | Free |
| Size | 239 MB | 15 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) | [Michael Joe](https://appshunter.io/developer/1132486512) |

## What reviewers say

### 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


### e85Cal

[App page](https://appshunter.io/ios/app/e85cal/id1470313135)

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.

**Highlights:** Calculate ethanol percentage goal, Enter gas tank size, Input standard pump gas ethanol %, Input ethanol pump gas ethanol %, Set target ethanol % mix, Enter current fuel level %

**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 e85Cal free?

e85Cal is free to download, with no in-app purchases.

### Which has better reviews, MHD Flasher or e85Cal?

e85Cal is rated higher. MHD Flasher averages 4.5 out of 5 from 206 ratings, while e85Cal averages 4.7 from 35 ratings.

### Do MHD Flasher or e85Cal have ads?

Neither MHD Flasher nor e85Cal shows ads.

### Which is updated more often, MHD Flasher or e85Cal?

MHD Flasher ships an update fortnightly, and e85Cal every 4 months. Most recently, MHD Flasher was updated on September 20, 2026 and e85Cal on July 23, 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.*