# PS SelfCheck vs Probefahrtenbutler

The clearest difference is iOS requirement: PS SelfCheck at 13.0 against Probefahrtenbutler's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

PS SelfCheck ships an update every 2 months, Probefahrtenbutler every 6 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PS SelfCheck | Probefahrtenbutler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 211 MB | 10 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [PS Team Deutschland GmbH & Co. KG](https://appshunter.io/developer/1440302216) | [Butler Solutions GmbH](https://appshunter.io/developer/1739088166) |

## What reviewers say

### PS SelfCheck

[App page](https://appshunter.io/ios/app/ps-selfcheck/id1452873076)

**In-app purchases:** none


### Probefahrtenbutler

[App page](https://appshunter.io/ios/app/probefahrtenbutler/id6480459286)

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

**In-app purchases:** none


## Frequently asked questions

### Is PS SelfCheck free?

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

### Is Probefahrtenbutler free?

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

### Do PS SelfCheck or Probefahrtenbutler have ads?

Neither PS SelfCheck nor Probefahrtenbutler shows ads.

### Which is updated more often, PS SelfCheck or Probefahrtenbutler?

PS SelfCheck ships an update every 2 months, and Probefahrtenbutler every 6 weeks. Most recently, PS SelfCheck was updated on October 26, 2026 and Probefahrtenbutler on October 25, 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.*