# Hachinger Bach vs WattApp

The clearest difference is update cadence: WattApp at every 5 weeks against Hachinger Bach's every 2 months. WattApp also leads on iOS requirement (12.0 vs 15.0). 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.

Hachinger Bach ships an update every 2 months, WattApp every 5 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hachinger Bach | WattApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 50 MB | 1.3 GB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Landesstelle für die nichtstaatlichen Museen in Bayern](https://appshunter.io/developer/1460232282) | [b.ReX GmbH](https://appshunter.io/developer/1376474990) |

## What reviewers say

### Hachinger Bach

[App page](https://appshunter.io/ios/app/hachinger-bach/id1565141783)

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

**In-app purchases:** none


### WattApp

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hachinger Bach free?

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

### Is WattApp free?

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

### Do Hachinger Bach or WattApp have ads?

Neither Hachinger Bach nor WattApp shows ads.

### Which is updated more often, Hachinger Bach or WattApp?

Hachinger Bach ships an update every 2 months, and WattApp every 5 weeks. Most recently, Hachinger Bach was updated on October 25, 2026 and WattApp on October 27, 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.*