# 認知シャッフル睡眠法 vs Kotonemu

The clearest difference is device support: 認知シャッフル睡眠法 at 3 against Kotonemu's 1. 認知シャッフル睡眠法 also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 認知シャッフル睡眠法 sells 2 in-app purchases, starting at $1.99 per month and Kotonemu sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

認知シャッフル睡眠法 ships an update every 6 weeks, Kotonemu every 5 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 認知シャッフル睡眠法 | Kotonemu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 136 MB | 38 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mika kubo](https://appshunter.io/developer/1877061175) | [GYOU GI](https://appshunter.io/developer/6776104453) |

## What reviewers say

### 認知シャッフル睡眠法

[App page](https://appshunter.io/ios/app/sleepwords/id6759151074)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepWords Premium (Monthly) | $1.99 | per month |
| SleepWords Premium (Yearly) | $19.99 | per year |


### Kotonemu

[App page](https://appshunter.io/ios/app/kotonemu/id6800693416)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| At Your Ear | $12.99 | one-time |
| All Night | $12.99 | one-time |


## Frequently asked questions

### Is 認知シャッフル睡眠法 free?

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

### Is Kotonemu free?

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

### Do 認知シャッフル睡眠法 or Kotonemu have ads?

Neither 認知シャッフル睡眠法 nor Kotonemu shows ads.

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

認知シャッフル睡眠法 ships an update every 6 weeks, and Kotonemu every 5 weeks. Most recently, 認知シャッフル睡眠法 was updated on October 25, 2026 and Kotonemu on October 31, 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.*