# 認知シャッフル睡眠 vs eazynap

The clearest difference is in-app purchases: 認知シャッフル睡眠 at none against eazynap's 2. 認知シャッフル睡眠 also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price and device support there is nothing between them.

Both are free to download. eazynap sells 2 in-app purchases, starting at $2.99 per month. 認知シャッフル睡眠 asks for nothing beyond the download.

認知シャッフル睡眠 ships an update every 2 weeks, eazynap every 3 months. The most recent releases landed on October 17, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 認知シャッフル睡眠 | eazynap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/cognitive-shuffle/id6483436496/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 49 MB | 107 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masao Sasaki](https://appshunter.io/developer/1651201873) | [tmdroid](https://appshunter.io/developer/1756222571) |

## What reviewers say

### 認知シャッフル睡眠

[App page](https://appshunter.io/ios/app/cognitive-shuffle/id6483436496)

This app guides you to sleep using a cognitive shuffle method. It reads out random words, allowing you to focus your imagination and drift off to sleep. Customize voice, duration, and playback settings for a personalized experience.

**Highlights:** Randomized word recitation, Customizable voice (male/female), Adjustable playback duration (1-30 mins), Adjustable word recitation interval, Adjustable recitation speed, Adjustable volume control, Notification sounds are OFF

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

**In-app purchases:** none


### eazynap

[App page](https://appshunter.io/ios/app/eazynap-cognitive-shuffle/id6754529847)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eazynap monthly plan | $2.99 | per month |
| eazynap yearly subscription | $19.99 | per year |


## 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 no in-app purchases.

### Is eazynap free?

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

### Do 認知シャッフル睡眠 or eazynap have ads?

eazynap shows ads; 認知シャッフル睡眠 does not.

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

認知シャッフル睡眠 ships an update every 2 weeks, and eazynap every 3 months. Most recently, 認知シャッフル睡眠 was updated on October 17, 2026 and eazynap on October 4, 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.*