# 間違い問題メモ vs Etoku

The clearest difference is device support: Etoku at 2 against 間違い問題メモ's —. 間違い問題メモ's advantage is iOS requirement (15.5 vs 18.0). On price 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.

## The numbers

| Metric | 間違い問題メモ | Etoku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 5 MB | 11 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Risako Asai](https://appshunter.io/developer/1671273580) | [shigeto nakawaka](https://appshunter.io/developer/368421363) |

## What reviewers say

### 間違い問題メモ

[App page](https://appshunter.io/ios/app/id1626302272)

**In-app purchases:** none


### Etoku

[App page](https://appshunter.io/ios/app/etoku/id6760871802)

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

**In-app purchases:** none


## Frequently asked questions

### Is 間違い問題メモ free?

間違い問題メモ is free to download, with no in-app purchases.

### Is Etoku free?

Etoku is free to download, with no in-app purchases.

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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.*