# かんたん計算脳トレ vs あいつはドコだ？

The clearest difference is iOS requirement: かんたん計算脳トレ at 11.0 against あいつはドコだ？'s 14.0. 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, あいつはドコだ？ every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | かんたん計算脳トレ | あいつはドコだ？ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 119 MB | 124 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| 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


### あいつはドコだ？

[App page](https://appshunter.io/ios/app/id6670146514)

**Features:** macOS Compatibility

**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 あいつはドコだ？ free?

あいつはドコだ？ is free to download, with no in-app purchases.

### Do かんたん計算脳トレ or あいつはドコだ？ have ads?

Both かんたん計算脳トレ and あいつはドコだ？ show ads.

### Which is updated more often, かんたん計算脳トレ or あいつはドコだ？?

かんたん計算脳トレ ships an update every 6 weeks, and あいつはドコだ？ every 3 weeks. Most recently, かんたん計算脳トレ was updated on October 16, 2026 and あいつはドコだ？ on October 7, 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.*