# かんたん計算脳トレ vs 頭のたいそう！ドッチッチ！

The clearest difference is iOS requirement: かんたん計算脳トレ at 11.0 against 頭のたいそう！ドッチッチ！'s 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

かんたん計算脳トレ ships an update every 6 weeks, 頭のたいそう！ドッチッチ！ every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | かんたん計算脳トレ | 頭のたいそう！ドッチッチ！ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 119 MB | 121 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [FUKUROU](https://appshunter.io/developer/1603805098) |

## What reviewers say

### かんたん計算脳トレ

[App page](https://appshunter.io/ios/app/vs/id1554033277)

**Features:** macOS Compatibility

**In-app purchases:** none


### 頭のたいそう！ドッチッチ！

[App page](https://appshunter.io/ios/app/id1604750782)

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

**In-app purchases:** none


## Frequently asked questions

### Is かんたん計算脳トレ free?

かんたん計算脳トレ is free to download, with no in-app purchases.

### Is 頭のたいそう！ドッチッチ！ free?

頭のたいそう！ドッチッチ！ is free to download, with no in-app purchases.

### Do かんたん計算脳トレ or 頭のたいそう！ドッチッチ！ have ads?

Both かんたん計算脳トレ and 頭のたいそう！ドッチッチ！ show ads.

### Which is updated more often, かんたん計算脳トレ or 頭のたいそう！ドッチッチ！?

かんたん計算脳トレ ships an update every 6 weeks, and 頭のたいそう！ドッチッチ！ every 3 months. Most recently, かんたん計算脳トレ was updated on November 7, 2026 and 頭のたいそう！ドッチッチ！ on November 3, 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.*