# MHD Flasher N54 vs TunerView

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.

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.

## The numbers

| Metric | MHD Flasher N54 | TunerView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (175 ratings)](https://appshunter.io/ios/app/mhd-flasher-n54/id1445162440/reviews)** | [3.1 (41 ratings)](https://appshunter.io/ios/app/tunerview/id1593158185/reviews) |
| Number of ratings | **175** | 41 |
| Positive reviews | **76.8% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 134 MB | 108 MB |
| Requires iOS | **10.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) | [Peter Linszter](https://appshunter.io/developer/530077583) |

## 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


### TunerView

[App page](https://appshunter.io/ios/app/tunerview/id1593158185)

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.

**Highlights:** Real-time datalogging, Customizable dashboard, Bluetooth ECU connection, Support for specific ECUs, In-app protocol purchases

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KTuner Protocol | $4.99 | one-time |
| ECUMaster Protocol | $4.99 | one-time |
| eCTune/HTS Protocol | $4.99 | one-time |
| Neptune Protocol | $4.99 | one-time |

**What reviewers like**

- 👍 Works with Ktuner V1.2
- 👍 Customizable layouts and values
- 👍 Great companion app
- 👍 Cheaper than V2
- 👍 Cleaner than V2 screen

**What reviewers complain about**

- 😞 No CarPlay support
- 😞 Bluetooth connection issues
- 😞 Music playback interruption
- 😞 App pauses music
- 😞 Not compatible with older serial numbers

**Reported bugs**

- 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

**Requested features**

- More layouts
- Vertical gauges
- CarPlay integration
- NeptuneRtp option
- Track mode (0-60, race track)


## Frequently asked questions

### Is MHD Flasher N54 free?

MHD Flasher N54 is free to download, with no in-app purchases.

### Is TunerView free?

TunerView is free to download, with in-app purchases available.

### Which has better reviews, MHD Flasher N54 or TunerView?

MHD Flasher N54 is rated higher. MHD Flasher N54 averages 4.6 out of 5 from 175 ratings, while TunerView averages 3.1 from 41 ratings.

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

Neither MHD Flasher N54 nor TunerView shows ads.

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

MHD Flasher N54 ships an update monthly, and TunerView every 6 weeks. Most recently, MHD Flasher N54 was updated on November 2, 2026 and TunerView on November 3, 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.*