Fuel vs MHD Flasher N54
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fuel
Monitor your vehicle's ethanol concentration and fuel temperature in real-time. This app wirelessly connects to a compatible Bluetooth module, freeing up your device's port for simultaneous charging and monitoring. It includes an ethanol fill-up concentration calculator and customizable display views.
- Real-time ethanol concentration monitoring
- Real-time fuel temperature monitoring
- Wireless Bluetooth connectivity
- Ethanol fill-up concentration calculator
- Fahrenheit or Celsius display options
- Two display views
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***Note that this app requires a custom Bluetooth module to function. Info on the module can be found here: https://fuel-it.com/products/fuel-it-bluetooth-flex-fuel-analyzer The Fuel-It ECA gives you realtime feedback from your Continental Ethanol sensor. Wireless communication frees up your device's port so you can monitor and charge at the same time. Features: Ethanol concentration monitoring Fuel temperature monitoring 2 Display Views Fuel temperature display in Fahrenheit or Celsius Ethanol fill-up concentration calculator
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!
Screenshots
Verdict
The clearest difference is rating: MHD Flasher N54 at 4.6 against Fuel's 3.1. MHD Flasher N54 also leads on update cadence (monthly vs every 10 months) and review sentiment (77% vs 50%). On price, ads, in-app purchases and monetization model 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.
MHD Flasher N54 holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: MHD Flasher N54 has 175 ratings behind it against 34, so its average is the more settled of the two. Written reviews point the same way: 50% of Fuel's written reviews are positive against 77% of MHD Flasher N54's.
Fuel ships an update every 10 months, MHD Flasher N54 monthly. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.
| Parameter | Fuel | MHD Flasher N54 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (34 ratings) | 4.6 (175 ratings) — better |
| Positive reviews | 50.0% of reviews | 76.8% of reviews — better |
| Number of ratings | 34 | 175 — better |
| Update frequency | Every 10 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.4 | 10.2 — better |
| Further details — not scored | ||
| Size | 20 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmac Mobile Developments, LLC | MHD Tuning UG (haftungsbeschraenkt) |
Customer experience
Fuel
MHD Flasher N54
In-app purchases
Fuel
No in-app purchases
MHD Flasher N54
No in-app purchases
