# Schwarzmüller vs SAT

The clearest difference is update cadence: Schwarzmüller at every 2 weeks against SAT's every 10 months. Schwarzmüller also leads on iOS requirement (12.2 vs 15.6). 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.

Schwarzmüller ships an update every 2 weeks, SAT every 10 months. The most recent releases landed on November 6, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Schwarzmüller | SAT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Size | 22 MB | 47 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Schwarzmüller](https://appshunter.io/developer/1145468585) | [Schweizer Armee](https://appshunter.io/developer/1510546650) |

## What reviewers say

### Schwarzmüller

[App page](https://appshunter.io/ios/app/schwarzmuller/id1145468586)

**Features:** macOS Compatibility

**In-app purchases:** none


### SAT

[App page](https://appshunter.io/ios/app/sat/id1437618393)

**In-app purchases:** none


## Frequently asked questions

### Is Schwarzmüller free?

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

### Is SAT free?

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

### Do Schwarzmüller or SAT have ads?

Neither Schwarzmüller nor SAT shows ads.

### Which is updated more often, Schwarzmüller or SAT?

Schwarzmüller ships an update every 2 weeks, and SAT every 10 months. Most recently, Schwarzmüller was updated on November 6, 2026 and SAT on October 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.*