# MHD Flasher N54 vs e85Cal

The clearest difference is update cadence: MHD Flasher N54 at monthly against e85Cal's every 4 months. MHD Flasher N54 also leads on ratings volume (174 vs 35) and iOS requirement (10.2 vs 12.1). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.6 for MHD Flasher N54 against 4.7 for e85Cal. Both are backed by a comparable volume of ratings — 174 and 35 respectively. Written reviews are what separate them: 77% of MHD Flasher N54's written reviews are positive against 82% of e85Cal's.

MHD Flasher N54 ships an update monthly, e85Cal every 4 months. The most recent releases landed on September 21, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | MHD Flasher N54 | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (174 ratings)](https://appshunter.io/ios/app/mhd-flasher-n54/id1445162440/reviews) | **[4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews)** |
| Number of ratings | **174** | 35 |
| Positive reviews | 76.8% of reviews | **81.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 134 MB | 15 MB |
| Requires iOS | **10.2** | 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 N54

[App page](https://appshunter.io/ios/app/mhd-flasher-n54/id1445162440)

This utility app allows reading and clearing engine DTC error codes, graphing and analyzing datalogs, and viewing vehicle licenses. It serves as a transition to a unified app supporting a wider range of BMW and Supra models.

**Highlights:** Read engine DTC error codes, Clear engine DTC error codes, Graph datalogs, Analyze datalogs, View vehicle licenses, Access user guide

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 N54 free?

MHD Flasher N54 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 N54 or e85Cal?

e85Cal is rated higher. MHD Flasher N54 averages 4.6 out of 5 from 174 ratings, while e85Cal averages 4.7 from 35 ratings.

### Do MHD Flasher N54 or e85Cal have ads?

Neither MHD Flasher N54 nor e85Cal shows ads.

### Which is updated more often, MHD Flasher N54 or e85Cal?

MHD Flasher N54 ships an update monthly, and e85Cal every 4 months. Most recently, MHD Flasher N54 was updated on September 21, 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.*