# ムー vs 超シンプル 書籍検索

The clearest difference is in-app purchases: 超シンプル 書籍検索 at none against ムー's 3. 超シンプル 書籍検索 also leads on update cadence (weekly vs every 40 months). ムー's advantage is ads (none vs shown) and iOS requirement (9.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. ムー sells 3 in-app purchases, starting at $6.99 per month. 超シンプル 書籍検索 asks for nothing beyond the download.

ムー ships an update every 40 months, 超シンプル 書籍検索 weekly. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | ムー | 超シンプル 書籍検索 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Weekly** |
| Size | 21 MB | 20 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Gakken CO.,LTD](https://appshunter.io/developer/294791161) | [shimizu syoki](https://appshunter.io/developer/1650725937) |

## What reviewers say

### ムー

[App page](https://appshunter.io/ios/app/id1004467935)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mu | $6.99 | per month |
| mu | $17.49 | per 3 months |
| mu | $33.99 | per 6 months |


### 超シンプル 書籍検索

[App page](https://appshunter.io/ios/app/id6446250091)

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

**In-app purchases:** none


## Frequently asked questions

### Is ムー free?

ムー is free to download, with in-app purchases available.

### Is 超シンプル 書籍検索 free?

超シンプル 書籍検索 is free to download, with no in-app purchases.

### Do ムー or 超シンプル 書籍検索 have ads?

超シンプル 書籍検索 shows ads; ムー does not.

### Which is updated more often, ムー or 超シンプル 書籍検索?

ムー ships an update every 40 months, and 超シンプル 書籍検索 weekly. Most recently, ムー was updated on September 21, 2026 and 超シンプル 書籍検索 on September 20, 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.*