# Cognitive Shuffling Nem Sleep vs Clear Days

The clearest difference is review sentiment: Clear Days at 100% against Cognitive Shuffling Nem Sleep's 0%. Clear Days also leads on rating (5.0 vs 3.3) and in-app purchases (none vs 1). Cognitive Shuffling Nem Sleep's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Cognitive Shuffling Nem Sleep sells 1 in-app purchase, starting at $1.99 per month. Clear Days asks for nothing beyond the download.

Clear Days holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews point the same way: 0% of Cognitive Shuffling Nem Sleep's written reviews are positive against 100% of Clear Days's.

Cognitive Shuffling Nem Sleep ships an update every 2 months, Clear Days every 4 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Cognitive Shuffling Nem Sleep | Clear Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/cognitive-shuffling-nem-sleep/id6745964044/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/clear-days-quit-tracker/id6816768631/reviews)** |
| Number of ratings | 3 | **10** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 98 MB | 2 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Koji Minoda](https://appshunter.io/developer/1790413869) | [Elise Swopes](https://appshunter.io/developer/6816768634) |

## What reviewers say

### Cognitive Shuffling Nem Sleep

[App page](https://appshunter.io/ios/app/cognitive-shuffling-nem-sleep/id6745964044)

This app uses a scientifically validated technique with randomized word prompts and calming music to help quiet racing thoughts and promote restful sleep. Customize playback speed, background sounds, and set a sleep timer for a distraction-free experience.

**Highlights:** Cognitive Shuffle Technique, Randomized soothing word prompts, Customizable playback speed, Relaxing background music, Sleep timer, Dark-mode UI

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $1.99 | per month |


### Clear Days

[App page](https://appshunter.io/ios/app/clear-days-quit-tracker/id6816768631)

Track your progress in quitting habits with customizable cards. See your days, months, and years free, with milestone alerts and a progress line. Works offline and is designed for privacy with no ads or tracking.

**Highlights:** Customizable habit cards, Clear day counts, Milestone alerts, Progress line visualization, Light and dark mode, Offline functionality, Private by design

**In-app purchases:** none


## Frequently asked questions

### Is Cognitive Shuffling Nem Sleep free?

Cognitive Shuffling Nem Sleep is free to download, with in-app purchases available.

### Is Clear Days free?

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

### Which has better reviews, Cognitive Shuffling Nem Sleep or Clear Days?

Clear Days is rated higher. Cognitive Shuffling Nem Sleep averages 3.3 out of 5 from 3 ratings, while Clear Days averages 5.0 from 10 ratings.

### Do Cognitive Shuffling Nem Sleep or Clear Days have ads?

Cognitive Shuffling Nem Sleep shows ads; Clear Days does not.

### Which is updated more often, Cognitive Shuffling Nem Sleep or Clear Days?

Cognitive Shuffling Nem Sleep ships an update every 2 months, and Clear Days every 4 days. Most recently, Cognitive Shuffling Nem Sleep was updated on November 8, 2026 and Clear Days on November 6, 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.*