MHD Flasher N54 vs e85Cal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MHD Flasher N54
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.
- Read engine DTC error codes
- Clear engine DTC error codes
- Graph datalogs
- Analyze datalogs
- View vehicle licenses
- Access user guide
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This app is being retired. Please switch to our unified "MHD Flasher" app which now supports all E/F/G series vehicles / engines as well as Supra. This app will remain as a shell to help you switch over. Additionally, some functionality will remain to read and clear engine DTC error codes, graph and analyze your prior datalogs, view your existing vehicle licenses, and access the user guide!
e85Cal
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.
- 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 %
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e85Cal help you calculate your ethanol percentage goal. It fast, simple, and easy to use. Just enter the following information: 1) How big is your gas tank? 2) What is the ethanol % in the standard pump gas? 3) What is the ethanol % in the ethanol pump gas? 4) What is your target ethanol % mix goal? 5) What is your current ethanol % min in your vehicle? 6) What is your current fuel level % in your vehicle? Results will display how many gallons or liters of standard and ethanol gas to pump in your vehicle based on your input.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MHD Flasher N54 | e85Cal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (174 ratings) | 4.7 (35 ratings) — better |
| Positive reviews | 76.8% of reviews | 81.8% of reviews — better |
| Number of ratings | 174 — better | 35 |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.2 — better | 12.1 |
| Further details — not scored | ||
| Size | 134 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | MHD Tuning UG (haftungsbeschraenkt) | Michael Joe |
Customer experience
MHD Flasher N54
e85Cal
In-app purchases
MHD Flasher N54
No in-app purchases
e85Cal
No in-app purchases
Questions
Is MHD Flasher N54 free?
Is e85Cal free?
Which has better reviews, MHD Flasher N54 or e85Cal?
Do MHD Flasher N54 or e85Cal have ads?
Which is updated more often, MHD Flasher N54 or e85Cal?
Other comparisons
