# どっちが長い？（あそんでまなぶ！シリーズ） vs 単位図鑑

The clearest difference is in-app purchases: 単位図鑑 at none against どっちが長い？（あそんでまなぶ！シリーズ）'s 2. 単位図鑑 also leads on ads (none vs shown). どっちが長い？（あそんでまなぶ！シリーズ）'s advantage is iOS requirement (9.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. どっちが長い？（あそんでまなぶ！シリーズ） sells 2 one-off in-app purchases. 単位図鑑 asks for nothing beyond the download.

## The numbers

| Metric | どっちが長い？（あそんでまなぶ！シリーズ） | 単位図鑑 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Size | 22 MB | 2 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNI-TY INC.](https://appshunter.io/developer/433109975) | [KOHEI YAMASHITA](https://appshunter.io/developer/1876841861) |

## What reviewers say

### どっちが長い？（あそんでまなぶ！シリーズ）

[App page](https://appshunter.io/ios/app/id875715480)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |
| 回数制限解除 | $2.99 | one-time |


### 単位図鑑

[App page](https://appshunter.io/ios/app/id6760615566)

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

**In-app purchases:** none


## Frequently asked questions

### Is どっちが長い？（あそんでまなぶ！シリーズ） free?

どっちが長い？（あそんでまなぶ！シリーズ） is free to download, with in-app purchases available.

### Is 単位図鑑 free?

単位図鑑 is free to download, with no in-app purchases.

### Do どっちが長い？（あそんでまなぶ！シリーズ） or 単位図鑑 have ads?

どっちが長い？（あそんでまなぶ！シリーズ） shows ads; 単位図鑑 does not.

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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.*