# Down10（らくらく脳トレ！シリーズ） vs スキモン

The clearest difference is in-app purchases: スキモン at none against Down10（らくらく脳トレ！シリーズ）'s 1. スキモン also leads on update cadence (every 3 days vs every 74 months). Down10（らくらく脳トレ！シリーズ）'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. Down10（らくらく脳トレ！シリーズ） sells 1 one-off in-app purchase. スキモン asks for nothing beyond the download.

Down10（らくらく脳トレ！シリーズ） ships an update every 74 months, スキモン every 3 days. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Down10（らくらく脳トレ！シリーズ） | スキモン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 74 months | **Every 3 days** |
| Size | 22 MB | 79 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [UNI-TY INC.](https://appshunter.io/developer/433109975) | [Chihiro Mifune](https://appshunter.io/developer/1895444970) |

## What reviewers say

### Down10（らくらく脳トレ！シリーズ）

[App page](https://appshunter.io/ios/app/down10/id1068811804)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $2.99 | one-time |


### スキモン

[App page](https://appshunter.io/ios/app/1000/id6776277478)

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

**In-app purchases:** none


## Frequently asked questions

### Is Down10（らくらく脳トレ！シリーズ） free?

Down10（らくらく脳トレ！シリーズ） is free to download, with in-app purchases available.

### Is スキモン free?

スキモン is free to download, with no in-app purchases.

### Do Down10（らくらく脳トレ！シリーズ） or スキモン have ads?

Both Down10（らくらく脳トレ！シリーズ） and スキモン show ads.

### Which is updated more often, Down10（らくらく脳トレ！シリーズ） or スキモン?

Down10（らくらく脳トレ！シリーズ） ships an update every 74 months, and スキモン every 3 days. Most recently, Down10（らくらく脳トレ！シリーズ） was updated on October 1, 2026 and スキモン on October 4, 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.*