# Private Face Memo vs Cognitive Shuffle

The clearest difference is in-app purchases: Private Face Memo at none against Cognitive Shuffle's 2. Private Face Memo also leads on update cadence (weekly vs every 3 months) and iOS requirement (12.0 vs 17.0). Cognitive Shuffle's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Cognitive Shuffle sells 2 in-app purchases, starting at $3.99 per month. Private Face Memo asks for nothing beyond the download.

Private Face Memo ships an update weekly, Cognitive Shuffle every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Private Face Memo | Cognitive Shuffle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cognitive-shuffle-no-insomnia/id6760416628/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | — | Freemium |
| Size | 36 MB | 106 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKUYA JIMBO](https://appshunter.io/developer/1819638431) | [Max Apps](https://appshunter.io/developer/1480156187) |

## What reviewers say

### Private Face Memo

[App page](https://appshunter.io/ios/app/private-face-memo/id6747854537)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cognitive Shuffle

[App page](https://appshunter.io/ios/app/cognitive-shuffle-no-insomnia/id6760416628)

This app uses a cognitive technique to help you fall asleep faster by listening to random words. It creates simple images in your mind, breaking anxious thought loops and easing you into sleep. Designed for darkness with a pure black interface, it offers a unique approach to combatting insomnia.

**Highlights:** Cognitive shuffle technique, Random word visualization, Gentle whisper voice, Dark interface design, Multiple shuffle modes, Soundscape mixer, Guided breathing exercise

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Private Face Memo free?

Private Face Memo is free to download, with no in-app purchases.

### Is Cognitive Shuffle free?

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

### Do Private Face Memo or Cognitive Shuffle have ads?

Private Face Memo shows ads; Cognitive Shuffle does not.

### Which is updated more often, Private Face Memo or Cognitive Shuffle?

Private Face Memo ships an update weekly, and Cognitive Shuffle every 3 months. Most recently, Private Face Memo was updated on October 30, 2026 and Cognitive Shuffle 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.*