# Malrechnen vs Number Decomposition

The clearest difference is price: Malrechnen at $0.99 against Number Decomposition's $3.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Malrechnen costs $0.99 and Number Decomposition $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Malrechnen ships an update every 6 months, Number Decomposition every 5 months. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Malrechnen | Number Decomposition |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 6 MB | 78 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Urff](https://appshunter.io/developer/415894463) | [Lernwunder](https://appshunter.io/developer/1840747082) |

## What reviewers say

### Malrechnen

[App page](https://appshunter.io/ios/app/malrechnen/id1628010803)

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Decomposition

[App page](https://appshunter.io/ios/app/number-decomposition-math/id6752735119)

This educational app teaches children foundational math skills by focusing on number bonds up to 10, avoiding counting to build a strong understanding of arithmetic. It uses visual aids and a structured approach for quick, accurate recall of addition and subtraction facts.

**Highlights:** Number bonds up to 10, Drag and drop interface, Visual quantity images, Spaced repetition learning, Child-friendly avatars, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Malrechnen free?

Malrechnen costs $0.99, with no in-app purchases.

### Is Number Decomposition free?

Number Decomposition costs $3.99, with no in-app purchases.

### Do Malrechnen or Number Decomposition have ads?

Neither Malrechnen nor Number Decomposition shows ads.

### Which is updated more often, Malrechnen or Number Decomposition?

Malrechnen ships an update every 6 months, and Number Decomposition every 5 months. Most recently, Malrechnen was updated on September 21, 2026 and Number Decomposition on September 15, 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.*