# MHD N55 E vs TunerView

The clearest difference is rating: MHD N55 E at 4.6 against TunerView's 3.1. MHD N55 E also leads on review sentiment (79% vs 40%) and in-app purchases (none vs 4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. TunerView sells 4 one-off in-app purchases. MHD N55 E asks for nothing beyond the download.

MHD N55 E holds the better App Store score, 4.6 against 3.1. Both are backed by a comparable volume of ratings — 54 and 41 respectively. Written reviews point the same way: 79% of MHD N55 E's written reviews are positive against 40% of TunerView's.

MHD N55 E ships an update every 3 weeks, TunerView every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | MHD N55 E | TunerView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (54 ratings)](https://appshunter.io/ios/app/mhd-n55-e-series/id1502611398/reviews)** | [3.1 (41 ratings)](https://appshunter.io/ios/app/tunerview/id1593158185/reviews) |
| Number of ratings | **54** | 41 |
| Positive reviews | **79.2% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 123 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 N55 E

[App page](https://appshunter.io/ios/app/mhd-n55-e-series/id1502611398)

This utility app is being retired and users are encouraged to switch to a unified flasher app. It retains some functionality for reading and clearing engine error codes, analyzing past data logs, and accessing vehicle licenses and user guides.

**Highlights:** Read and clear engine DTC error codes, Graph and analyze prior datalogs, View existing vehicle licenses, Access user guide, Transition to unified flasher app

**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 N55 E free?

MHD N55 E 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 N55 E or TunerView?

MHD N55 E is rated higher. MHD N55 E averages 4.6 out of 5 from 54 ratings, while TunerView averages 3.1 from 41 ratings.

### Do MHD N55 E or TunerView have ads?

Neither MHD N55 E nor TunerView shows ads.

### Which is updated more often, MHD N55 E or TunerView?

MHD N55 E ships an update every 3 weeks, and TunerView every 6 weeks. Most recently, MHD N55 E was updated on November 3, 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.*