# Armytrix vs SHADOW E

The clearest difference is update cadence: SHADOW E at every 3 weeks against Armytrix's every 7 months. SHADOW E also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Armytrix ships an update every 7 months, SHADOW E every 3 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Armytrix | SHADOW E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 13 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ARMYTRIX CORP.](https://appshunter.io/developer/990665140) | [Auto jaw co ltd](https://appshunter.io/developer/1330689436) |

## 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


### SHADOW E

[App page](https://appshunter.io/ios/app/shadow-e-valve-2/id1595030903)

**In-app purchases:** none


## Frequently asked questions

### Is Armytrix free?

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

### Is SHADOW E free?

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

### Do Armytrix or SHADOW E have ads?

Neither Armytrix nor SHADOW E shows ads.

### Which is updated more often, Armytrix or SHADOW E?

Armytrix ships an update every 7 months, and SHADOW E every 3 weeks. Most recently, Armytrix was updated on October 7, 2026 and SHADOW E on September 29, 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.*