# Number Decomposition vs とけいよめるかな？

The clearest difference is price: とけいよめるかな？ at Free against Number Decomposition's $3.99. とけいよめるかな？ also leads on iOS requirement (15.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

とけいよめるかな？ is free to download; Number Decomposition costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Number Decomposition | とけいよめるかな？ |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Paid | — |
| Size | 78 MB | 25 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lernwunder](https://appshunter.io/developer/1840747082) | [Takeshi Kusaka](https://appshunter.io/developer/6789462688) |

## 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


### とけいよめるかな？

[App page](https://appshunter.io/ios/app/id6789462686)

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Decomposition free?

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

### Is とけいよめるかな？ free?

とけいよめるかな？ is free to download, with no in-app purchases.

### Do Number Decomposition or とけいよめるかな？ have ads?

Neither Number Decomposition nor とけいよめるかな？ shows ads.

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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.*