# WattApp vs Rusch

The clearest difference is update cadence: WattApp at every 5 weeks against Rusch's every 3 months. 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.

WattApp ships an update every 5 weeks, Rusch every 3 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | WattApp | Rusch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Size | 1.3 GB | 42 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [b.ReX GmbH](https://appshunter.io/developer/1376474990) | [Alex Rusch Institut GmbH](https://appshunter.io/developer/1607837374) |

## What reviewers say

### WattApp

[App page](https://appshunter.io/ios/app/wattapp/id1621671914)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rusch

[App page](https://appshunter.io/ios/app/rusch-gratis/id6449815592)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WattApp free?

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

### Is Rusch free?

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

### Do WattApp or Rusch have ads?

Neither WattApp nor Rusch shows ads.

### Which is updated more often, WattApp or Rusch?

WattApp ships an update every 5 weeks, and Rusch every 3 months. Most recently, WattApp was updated on October 11, 2026 and Rusch on October 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.*