# Armytrix vs MHD N55 E

The clearest difference is review sentiment: MHD N55 E at 79% against Armytrix's 18%. MHD N55 E also leads on rating (4.6 vs 1.0) and update cadence (every 3 weeks vs every 7 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MHD N55 E holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: MHD N55 E has 54 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 18% of Armytrix's written reviews are positive against 79% of MHD N55 E's.

Armytrix ships an update every 7 months, MHD N55 E every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Armytrix | MHD N55 E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/armytrix/id990665141/reviews) | **[4.6 (54 ratings)](https://appshunter.io/ios/app/mhd-n55-e-series/id1502611398/reviews)** |
| Number of ratings | 1 | **54** |
| Positive reviews | 17.6% of reviews | **79.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 123 MB |
| Requires iOS | 16.6 | **10.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ARMYTRIX CORP.](https://appshunter.io/developer/990665140) | [MHD Tuning UG (haftungsbeschraenkt)](https://appshunter.io/developer/1445162439) |

## What reviewers say

### Armytrix

[App page](https://appshunter.io/ios/app/armytrix/id990665141)

This app provides wireless control for exhaust valves and displays real-time ECU data. It simplifies performance monitoring and allows for manual clearing of fault codes, enhancing the tuning experience.

**Highlights:** Wireless connection, Valvetronic exhaust control, Real-time ECU data display, Automatic catalytic converter fault code elimination, Manual fault code erasing, Performance data logging

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Armytrix free?

Armytrix is free to download, with no in-app purchases.

### Is MHD N55 E free?

MHD N55 E is free to download, with no in-app purchases.

### Which has better reviews, Armytrix or MHD N55 E?

MHD N55 E is rated higher. Armytrix averages 1.0 out of 5 from 1 ratings, while MHD N55 E averages 4.6 from 54 ratings.

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

Neither Armytrix nor MHD N55 E shows ads.

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

Armytrix ships an update every 7 months, and MHD N55 E every 3 weeks. Most recently, Armytrix was updated on October 24, 2026 and MHD N55 E on October 24, 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.*