# Cognitive Diary vs Drowsy

The clearest difference is update cadence: Drowsy at every 4 days against Cognitive Diary's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Cognitive Diary sells 2 in-app purchases, starting at $0.99 per month and Drowsy sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Cognitive Diary ships an update fortnightly, Drowsy every 4 days. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Cognitive Diary | Drowsy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/drowsy-dream-journal/id6757449729/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 60 MB | 10 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Vitalii Kovalov](https://appshunter.io/developer/1864691271) | [Drowsy](https://appshunter.io/developer/1867051207) |

## What reviewers say

### Cognitive Diary

[App page](https://appshunter.io/ios/app/cognitive-diary/id6757118591)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $0.99 | per month |
| PRO | $9.99 | per year |


### Drowsy

[App page](https://appshunter.io/ios/app/drowsy-dream-journal/id6757449729)

Capture and analyze your dreams with AI to uncover their deeper meaning. This app offers personalized interpretations, pattern tracking, and insights into your subconscious, helping you understand your emotional landscape and recurring themes.

**Highlights:** AI dream interpretation, Pattern tracking, Life context integration, Conversational AI analysis, Emotional trend visualization, PDF export, Offline functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Annual | $59.99 | per year |


## Frequently asked questions

### Is Cognitive Diary free?

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

### Is Drowsy free?

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

### Do Cognitive Diary or Drowsy have ads?

Neither Cognitive Diary nor Drowsy shows ads.

### Which is updated more often, Cognitive Diary or Drowsy?

Cognitive Diary ships an update fortnightly, and Drowsy every 4 days. Most recently, Cognitive Diary was updated on September 28, 2026 and Drowsy on October 7, 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.*