# Trayn vs STK07 Arnsberg

The clearest difference is update cadence: Trayn at monthly against STK07 Arnsberg's every 3 months. STK07 Arnsberg's advantage is iOS requirement (15.0 vs 17.6). 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.

Trayn ships an update monthly, STK07 Arnsberg every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Trayn | STK07 Arnsberg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 2 MB | 44 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trayn, Inc](https://appshunter.io/developer/849803887) | [Felix Wansing](https://appshunter.io/developer/1145308443) |

## What reviewers say

### Trayn

[App page](https://appshunter.io/ios/app/trayn/id854352153)

**Features:** Vision Pro support

**In-app purchases:** none


### STK07 Arnsberg

[App page](https://appshunter.io/ios/app/stk07-arnsberg/id1583482899)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Trayn free?

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

### Is STK07 Arnsberg free?

STK07 Arnsberg is free to download, with no in-app purchases.

### Do Trayn or STK07 Arnsberg have ads?

Neither Trayn nor STK07 Arnsberg shows ads.

### Which is updated more often, Trayn or STK07 Arnsberg?

Trayn ships an update monthly, and STK07 Arnsberg every 3 months. Most recently, Trayn was updated on November 1, 2026 and STK07 Arnsberg 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.*