# あいうえおをまなぼう vs せかいのくに

The clearest difference is in-app purchases: あいうえおをまなぼう at none against せかいのくに's 1. あいうえおをまなぼう also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). せかいのくに's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. せかいのくに sells 1 one-off in-app purchase. あいうえおをまなぼう asks for nothing beyond the download.

あいうえおをまなぼう ships an update every 3 weeks, せかいのくに fortnightly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | あいうえおをまなぼう | せかいのくに |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 64 MB | 48 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAZUAKI MATAYOSHI](https://appshunter.io/developer/1059959447) | [Kinicy](https://appshunter.io/developer/366096366) |

## What reviewers say

### あいうえおをまなぼう

[App page](https://appshunter.io/ios/app/id6449205909)

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

**In-app purchases:** none


### せかいのくに

[App page](https://appshunter.io/ios/app/id6776248530)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ぜんぶの国であそぶ（Pro） | $2.99 | one-time |


## Frequently asked questions

### Is あいうえおをまなぼう free?

あいうえおをまなぼう is free to download, with no in-app purchases.

### Is せかいのくに free?

せかいのくに is free to download, with in-app purchases available.

### Do あいうえおをまなぼう or せかいのくに have ads?

あいうえおをまなぼう shows ads; せかいのくに does not.

### Which is updated more often, あいうえおをまなぼう or せかいのくに?

あいうえおをまなぼう ships an update every 3 weeks, and せかいのくに fortnightly. Most recently, あいうえおをまなぼう was updated on October 27, 2026 and せかいのくに on October 28, 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.*