# 共有Todoメモ vs StudyArena

The clearest difference is device support: StudyArena at 2 against 共有Todoメモ's —. 共有Todoメモ's advantage is iOS requirement (16.2 vs 18.5). 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 | 共有Todoメモ | StudyArena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | Yes |
| Update frequency | — | Monthly |
| Size | 13 MB | 23 MB |
| Requires iOS | **16.2** | 18.5 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Risako Asai](https://appshunter.io/developer/1671273580) | [Yasuhiro Ogawa](https://appshunter.io/developer/1819699862) |

## What reviewers say

### 共有Todoメモ

[App page](https://appshunter.io/ios/app/todo/id6455594674)

**In-app purchases:** none


### StudyArena

[App page](https://appshunter.io/ios/app/studyarena/id6748235227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 共有Todoメモ free?

共有Todoメモ is free to download, with no in-app purchases.

### Is StudyArena free?

StudyArena 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.*