# かんたん計算脳トレ vs ドロップｘドロップ

The clearest difference is update cadence: ドロップｘドロップ at every 2 weeks against かんたん計算脳トレ's every 6 weeks. On price, ads, in-app purchases and device support 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, ドロップｘドロップ every 2 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | かんたん計算脳トレ | ドロップｘドロップ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 119 MB | 90 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [Garhi Japan K.K.](https://appshunter.io/developer/1444709284) |

## 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


### ドロップｘドロップ

[App page](https://appshunter.io/ios/app/id6743424521)

**Features:** 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 ドロップｘドロップ free?

ドロップｘドロップ is free to download, with no in-app purchases.

### Do かんたん計算脳トレ or ドロップｘドロップ have ads?

Both かんたん計算脳トレ and ドロップｘドロップ show ads.

### Which is updated more often, かんたん計算脳トレ or ドロップｘドロップ?

かんたん計算脳トレ ships an update every 6 weeks, and ドロップｘドロップ every 2 weeks. Most recently, かんたん計算脳トレ was updated on October 25, 2026 and ドロップｘドロップ on October 22, 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.*