MHD Flasher N54 vs TunerView
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!
TunerView
This app connects to your vehicle's ECU via a Bluetooth adapter to provide real-time data logging and dashboard displays. Unlock specific datalog protocols through in-app purchases to utilize its full functionality for automotive tuning.
- Real-time datalogging
- Customizable dashboard
- Bluetooth ECU connection
- Support for specific ECUs
- In-app protocol purchases
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TunerView is a Realtime Datalog/Dash tool which uses bluetooth adapter to connect to your ECU. App is not free, you must have to buy a datalog protocol via In-App payment to use the app. We can refund your purchase if you have problem or you don't like the app. If you have any issue, please contact support by email! Currently supported protocols/devices: - KTunerFlashV1.2 (Honda™) (ONLY WITH SERIAL NUMBER LAST 5 DIGIT IS 14000 OR HIGHER!) - KTunerFlashV2 (Honda™) (ONLY WITH SERIAL NUMBER LAST 5 DIGIT IS 14000 OR HIGHER!) - ECUMaster EMU Classic - ECUMaster EMU Black
Screenshots
Verdict
The clearest difference is rating: MHD Flasher N54 at 4.6 against TunerView's 3.1. MHD Flasher N54 also leads on review sentiment (77% vs 40%) and in-app purchases (none vs 4). On price, update cadence, ads and device support 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. TunerView sells 4 one-off in-app purchases. MHD Flasher N54 asks for nothing beyond the download.
MHD Flasher N54 holds the better App Store score, 4.6 against 3.1. Both are backed by a comparable volume of ratings — 175 and 41 respectively. Written reviews point the same way: 77% of MHD Flasher N54's written reviews are positive against 40% of TunerView's.
MHD Flasher N54 ships an update monthly, TunerView every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | MHD Flasher N54 | TunerView |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (175 ratings) — better | 3.1 (41 ratings) |
| Positive reviews | 76.8% of reviews — better | 40.0% of reviews |
| Number of ratings | 175 — better | 41 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 134 MB | 108 MB |
| Age rating | 4+ | 4+ |
| Developer | MHD Tuning UG (haftungsbeschraenkt) | Peter Linszter |
Customer experience
MHD Flasher N54
TunerView
Bugs and requests
MHD Flasher N54
Not enough reviews yet to summarise bugs or requests.
TunerView
Reported bugs
14 issues- App won't connect after iOS update
- Bluetooth won't connect
- Music stops when app is opened
- App pauses music when outside app
- Car detects microphone activation
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- Bluetooth stopped working
- App is outdated, no bug fixes
- App doesn't work with iPhone 16 pro
- Will not connect to ECU via Bluetooth
- App would infinitely say 'connecting'
- Only 3 out of 6 gauges display anything
- Bluetooth won't connect
- Can't type in Ktuner 1.2 code
- Activates voice control when touched/backed out of
Requested features
16 requests- More layouts
- Vertical gauges
- CarPlay integration
- NeptuneRtp option
- Track mode (0-60, race track)
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- Prompt for recording start
- Customizable dashboard
- iOS flashing update
- Portrait view
- More features
- Navi layout on iOS
- R1 enduser Ktuner support
- Knock count reading
- Interface for newer iPhones (no notch)
- More layouts and vertical gauges
- More layouts
In-app purchases
MHD Flasher N54
No in-app purchases
TunerView
- KTuner Protocol$4.99
- ECUMaster Protocol$4.99
- eCTune/HTS Protocol$4.99
Show 1 moreShow fewer
- Neptune Protocol$4.99







