# MHD Flasher vs E85 Mix Ethanol Calculator

The clearest difference is price: MHD Flasher at Free against E85 Mix Ethanol Calculator's $1.99. MHD Flasher also leads on rating (4.5 vs 3.1) and review sentiment (65% vs 40%). E85 Mix Ethanol Calculator's advantage is chart position (#176 vs unranked) and iOS requirement (9.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

MHD Flasher is free to download; E85 Mix Ethanol Calculator costs $1.99 up front. 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 216 ratings behind it against 7, 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 40% of E85 Mix Ethanol Calculator's.

## The numbers

| Metric | MHD Flasher | E85 Mix Ethanol Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (216 ratings)](https://appshunter.io/ios/app/mhd-flasher/id1468182144/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/e85-mix-ethanol-calculator/id1473954071/reviews) |
| Number of ratings | **216** | 7 |
| Positive reviews | **65.1% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#176** |
| Size | 241 MB | 42 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) | [Adam Keninger](https://appshunter.io/developer/966549024) |

## 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


### E85 Mix Ethanol Calculator

[App page](https://appshunter.io/ios/app/e85-mix-ethanol-calculator/id1473954071)

**Currently charting:** #176 Top Paid · Utilities (US App Store)

Quickly calculate the precise amounts of E85 and gasoline needed to achieve your desired ethanol fuel mix. The app remembers your tank details for even faster calculations.

**Highlights:** Calculates E85 and gasoline amounts, Remembers tank capacity and target mix, Specifies current ethanol content, Allows custom E85 ethanol content input, Fast 3-second calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is MHD Flasher free?

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

### Is E85 Mix Ethanol Calculator free?

E85 Mix Ethanol Calculator costs $1.99, with no in-app purchases.

### Which has better reviews, MHD Flasher or E85 Mix Ethanol Calculator?

MHD Flasher is rated higher. MHD Flasher averages 4.5 out of 5 from 216 ratings, while E85 Mix Ethanol Calculator averages 3.1 from 7 ratings.

### Do MHD Flasher or E85 Mix Ethanol Calculator have ads?

Neither MHD Flasher nor E85 Mix Ethanol Calculator shows ads.

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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.*