# ピュアクリスタル vs リラックスノイズ

The clearest difference is update cadence: ピュアクリスタル at weekly against リラックスノイズ's every 2 months. ピュアクリスタル also leads on device support and iOS requirement (13.0 vs 15.1). 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.

ピュアクリスタル ships an update weekly, リラックスノイズ every 2 months. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ピュアクリスタル | リラックスノイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Weekly** | Every 2 months |
| Size | 39 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [ジェックス株式会社](https://appshunter.io/developer/1321772176) | [Masaki Takahashi](https://appshunter.io/developer/1860849926) |

## What reviewers say

### ピュアクリスタル

[App page](https://appshunter.io/ios/app/id1506793371)

**Features:** macOS Compatibility

**In-app purchases:** none


### リラックスノイズ

[App page](https://appshunter.io/ios/app/bgm/id6756486680)

**In-app purchases:** none


## Frequently asked questions

### Is ピュアクリスタル free?

ピュアクリスタル is free to download, with no in-app purchases.

### Is リラックスノイズ free?

リラックスノイズ is free to download, with no in-app purchases.

### Which is updated more often, ピュアクリスタル or リラックスノイズ?

ピュアクリスタル ships an update weekly, and リラックスノイズ every 2 months. Most recently, ピュアクリスタル was updated on October 16, 2026 and リラックスノイズ on October 14, 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.*