# 認知シャッフル睡眠 vs DreamFlow

The clearest difference is rating: DreamFlow at 5.0 against 認知シャッフル睡眠's 3.0. DreamFlow also leads on ratings volume (3 vs 1). 認知シャッフル睡眠's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. DreamFlow sells 3 in-app purchases, starting at $1.99 per month. 認知シャッフル睡眠 asks for nothing beyond the download.

DreamFlow holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

認知シャッフル睡眠 ships an update every 2 weeks, DreamFlow every 6 weeks. The most recent releases landed on September 14, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | 認知シャッフル睡眠 | DreamFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/cognitive-shuffle/id6483436496/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dreamflow/id6740728994/reviews)** |
| Number of ratings | 1 | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | **Free** | Freemium |
| Size | 49 MB | 19 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masao Sasaki](https://appshunter.io/developer/1651201873) | [Leonardo Carnevale](https://appshunter.io/developer/444062494) |

## 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


### DreamFlow

[App page](https://appshunter.io/ios/app/dreamflow/id6740728994)

This app uses Cognitive Shuffling to calm your mind and ease you into restful sleep. It offers personalized voices, background sounds, and multi-language support to reduce stress and anxiety.

**Highlights:** Cognitive Shuffling technique, Personalized voices in 7 languages, 6 calming background sounds, Siri integration for easy start, Stress and anxiety reduction

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per month |
| Premium Access (1 Year) | $14.99 | per year |
| Premium Access | $1.99 | one-time |


## 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 DreamFlow free?

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

### Which has better reviews, 認知シャッフル睡眠 or DreamFlow?

DreamFlow is rated higher. 認知シャッフル睡眠 averages 3.0 out of 5 from 1 ratings, while DreamFlow averages 5.0 from 3 ratings.

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

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

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

認知シャッフル睡眠 ships an update every 2 weeks, and DreamFlow every 6 weeks. Most recently, 認知シャッフル睡眠 was updated on September 14, 2026 and DreamFlow on June 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.*