# Number Decomposition vs Rechengeschichten

The clearest difference is update cadence: Rechengeschichten at every 2 months against Number Decomposition's every 5 months. Rechengeschichten also leads on price ($1.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Number Decomposition costs $3.99 and Rechengeschichten $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Decomposition ships an update every 5 months, Rechengeschichten every 2 months. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Number Decomposition | Rechengeschichten |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 78 MB | 16 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lernwunder](https://appshunter.io/developer/1840747082) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### 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


### Rechengeschichten

[App page](https://appshunter.io/ios/app/rechengeschichten/id6758136534)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Decomposition free?

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

### Is Rechengeschichten free?

Rechengeschichten costs $1.99, with no in-app purchases.

### Do Number Decomposition or Rechengeschichten have ads?

Neither Number Decomposition nor Rechengeschichten shows ads.

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

Number Decomposition ships an update every 5 months, and Rechengeschichten every 2 months. Most recently, Number Decomposition was updated on October 12, 2026 and Rechengeschichten on September 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.*