# 荒川防災アプリ vs リラックスノイズ

The clearest difference is device support: 荒川防災アプリ at 3 against リラックスノイズ's —. On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 荒川防災アプリ | リラックスノイズ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | Every 2 months |
| Size | 153 MB | 39 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [荒川区](https://appshunter.io/developer/1570774926) | [Masaki Takahashi](https://appshunter.io/developer/1860849926) |

## What reviewers say

### 荒川防災アプリ

[App page](https://appshunter.io/ios/app/id1571090347)

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

**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 荒川防災アプリ free?

荒川防災アプリ 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, 荒川防災アプリ or リラックスノイズ?

荒川防災アプリ ships an update every 2 months, and リラックスノイズ every 2 months. Most recently, 荒川防災アプリ was updated on November 7, 2026 and リラックスノイズ on October 30, 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.*