# 認知シャッフル睡眠 vs Posturo

The clearest difference is in-app purchases: Posturo at none against 認知シャッフル睡眠's 3. Posturo also leads on update cadence (daily vs fortnightly). 認知シャッフル睡眠's advantage is iOS requirement (16.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. 認知シャッフル睡眠 sells 3 one-off in-app purchases. Posturo asks for nothing beyond the download.

認知シャッフル睡眠 ships an update fortnightly, Posturo daily. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 認知シャッフル睡眠 | Posturo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6462812706/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 73 MB | 12 MB |
| Requires iOS | **16.1** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Tsubasa Takahashi](https://appshunter.io/developer/1600061125) | [Yugo Sugiyama](https://appshunter.io/developer/1500223823) |

## What reviewers say

### 認知シャッフル睡眠

[App page](https://appshunter.io/ios/app/id6462812706)

This unofficial healthcare app uses a unique method to help you fall asleep faster. By listening to a series of random words and imagining them, you can suppress distracting thoughts and relax into sleep. Customize voice, playback time, and intervals for a personalized sleep experience.

**Highlights:** Background audio playback, Multiple voice options, Customizable playback duration, Adjustable audio intervals, Random word imagery technique

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 四国めたんパック | $1.99 | one-time |
| 中国うさぎパック | $1.99 | one-time |
| 九州そらパック | $1.99 | one-time |


### Posturo

[App page](https://appshunter.io/ios/app/posturo/id6759259964)

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

**In-app purchases:** none


## Frequently asked questions

### Is 認知シャッフル睡眠 free?

認知シャッフル睡眠 is free to download, with in-app purchases available.

### Is Posturo free?

Posturo is free to download, with no in-app purchases.

### Do 認知シャッフル睡眠 or Posturo have ads?

Both 認知シャッフル睡眠 and Posturo show ads.

### Which is updated more often, 認知シャッフル睡眠 or Posturo?

認知シャッフル睡眠 ships an update fortnightly, and Posturo daily. Most recently, 認知シャッフル睡眠 was updated on October 17, 2026 and Posturo on October 16, 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.*