# Das Zahlenbuch vs HausiHeld

The clearest difference is in-app purchases: HausiHeld at none against Das Zahlenbuch's 4. HausiHeld also leads on update cadence (weekly vs every 7 months). Das Zahlenbuch's advantage is iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Das Zahlenbuch sells 4 one-off in-app purchases. HausiHeld asks for nothing beyond the download.

Das Zahlenbuch ships an update every 7 months, HausiHeld weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Das Zahlenbuch | HausiHeld |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) | [Paul-Patrick Heitzer](https://appshunter.io/developer/1891019410) |

## What reviewers say

### Das Zahlenbuch

[App page](https://appshunter.io/ios/app/das-zahlenbuch/id1581958376)

This app offers interactive math exercises for grades 1-4, covering core curriculum topics. It provides immediate feedback and progress tracking, allowing for personalized learning at home or in the classroom. The app is designed for independent use and offline access.

**Highlights:** Interactive math exercises for grades 1-4, Covers 6 central topics per school year, Visual support tools, Immediate feedback on solutions, Progress tracking for assessment, Offline usability

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Das Zahlenbuch Klasse 1 | $2.99 | one-time |
| Das Zahlenbuch Klasse 2 | $2.99 | one-time |
| Das Zahlenbuch Klasse 3 | $2.99 | one-time |
| Das Zahlenbuch Klasse 4 | $2.99 | one-time |


### HausiHeld

[App page](https://appshunter.io/ios/app/hausiheld/id6761879019)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Das Zahlenbuch free?

Das Zahlenbuch is free to download, with in-app purchases available.

### Is HausiHeld free?

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

### Do Das Zahlenbuch or HausiHeld have ads?

Neither Das Zahlenbuch nor HausiHeld shows ads.

### Which is updated more often, Das Zahlenbuch or HausiHeld?

Das Zahlenbuch ships an update every 7 months, and HausiHeld weekly. Most recently, Das Zahlenbuch was updated on October 24, 2026 and HausiHeld 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.*