# ムー vs いつでも書店専用本棚

The clearest difference is in-app purchases: いつでも書店専用本棚 at none against ムー's 3. いつでも書店専用本棚 also leads on update cadence (every 4 months vs every 40 months). ムー's advantage is iOS requirement (9.0 vs 15.0). On price, ads 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. いつでも書店専用本棚 asks for nothing beyond the download.

ムー ships an update every 40 months, いつでも書店専用本棚 every 4 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | ムー | いつでも書店専用本棚 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.4 (77 ratings)](https://appshunter.io/ios/app/id1053018501/reviews)** |
| Number of ratings | — | **77** |
| Positive reviews | — | 10.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 4 months** |
| Size | 21 MB | 35 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gakken CO.,LTD](https://appshunter.io/developer/294791161) | [ZITTO, Inc.](https://appshunter.io/developer/702826237) |

## 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 |


### いつでも書店専用本棚

[App page](https://appshunter.io/ios/app/id1053018501)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ムー free?

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

### Is いつでも書店専用本棚 free?

いつでも書店専用本棚 is free to download, with no in-app purchases.

### Do ムー or いつでも書店専用本棚 have ads?

Neither ムー nor いつでも書店専用本棚 shows ads.

### Which is updated more often, ムー or いつでも書店専用本棚?

ムー ships an update every 40 months, and いつでも書店専用本棚 every 4 months. Most recently, ムー was updated on October 29, 2026 and いつでも書店専用本棚 on October 29, 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.*