# keep hair design vs 本気の筋トレアプリ

The clearest difference is device support: keep hair design at 3 against 本気の筋トレアプリ's —. keep hair design also leads on iOS requirement (12.0 vs 16.6). 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 | keep hair design | 本気の筋トレアプリ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 13 months | — |
| Size | 15 MB | 61 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [ALLIED SYSTEM CO.,LTD.](https://appshunter.io/developer/1077613622) | [Masahiro Kitazoe](https://appshunter.io/developer/1712260076) |

## What reviewers say

### keep hair design

[App page](https://appshunter.io/ios/app/keep-hair-design/id1180000836)

**Features:** macOS Compatibility

**In-app purchases:** none


### 本気の筋トレアプリ

[App page](https://appshunter.io/ios/app/pump-up/id6469589846)

**In-app purchases:** none


## Frequently asked questions

### Is keep hair design free?

keep hair design is free to download, with no in-app purchases.

### Is 本気の筋トレアプリ free?

本気の筋トレアプリ 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.*