# ホワイトノイズ・環境音・睡眠BGM (音凪) vs Tomoshibi

The clearest difference is ads: Tomoshibi at none against ホワイトノイズ・環境音・睡眠BGM (音凪)'s shown. Tomoshibi also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. ホワイトノイズ・環境音・睡眠BGM (音凪) sells 1 one-off in-app purchase and Tomoshibi sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ホワイトノイズ・環境音・睡眠BGM (音凪) | Tomoshibi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Size | 147 MB | 81 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hiroaki suzuki](https://appshunter.io/developer/1477004044) | [Daishi Sugawara](https://appshunter.io/developer/6783803841) |

## What reviewers say

### ホワイトノイズ・環境音・睡眠BGM (音凪)

[App page](https://appshunter.io/ios/app/bgm/id6766044501)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Otonagi Pro | $3.99 | one-time |


### Tomoshibi

[App page](https://appshunter.io/ios/app/tomoshibi-deep-focus-timer/id6788594457)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $24.99 | per year |


## Frequently asked questions

### Is ホワイトノイズ・環境音・睡眠BGM (音凪) free?

ホワイトノイズ・環境音・睡眠BGM (音凪) is free to download, with in-app purchases available.

### Is Tomoshibi free?

Tomoshibi is free to download, with in-app purchases available.

### Do ホワイトノイズ・環境音・睡眠BGM (音凪) or Tomoshibi have ads?

ホワイトノイズ・環境音・睡眠BGM (音凪) shows ads; Tomoshibi does not.

### Which is updated more often, ホワイトノイズ・環境音・睡眠BGM (音凪) or Tomoshibi?

ホワイトノイズ・環境音・睡眠BGM (音凪) ships an update fortnightly, and Tomoshibi fortnightly. Most recently, ホワイトノイズ・環境音・睡眠BGM (音凪) was updated on October 2, 2026 and Tomoshibi on October 3, 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.*