# かんたん計算脳トレ vs World Number Place!

The clearest difference is update cadence: かんたん計算脳トレ at every 6 weeks against World Number Place!'s every 11 months. かんたん計算脳トレ also leads on iOS requirement (11.0 vs 13.0). 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, World Number Place! every 11 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | かんたん計算脳トレ | World Number Place! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Size | 119 MB | 76 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZERONE](https://appshunter.io/developer/1708775781) | [GIGABIT GAME LAB](https://appshunter.io/developer/1689052682) |

## 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


### World Number Place!

[App page](https://appshunter.io/ios/app/world-number-place/id6453991105)

**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 World Number Place! free?

World Number Place! is free to download, with no in-app purchases.

### Do かんたん計算脳トレ or World Number Place! have ads?

Both かんたん計算脳トレ and World Number Place! show ads.

### Which is updated more often, かんたん計算脳トレ or World Number Place!?

かんたん計算脳トレ ships an update every 6 weeks, and World Number Place! every 11 months. Most recently, かんたん計算脳トレ was updated on November 3, 2026 and World Number Place! 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.*