# Cognitive Diary vs LogLess

The clearest difference is update cadence: LogLess at every 6 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 LogLess sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Cognitive Diary ships an update fortnightly, LogLess every 6 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Cognitive Diary | LogLess |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 60 MB | 9 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Vitalii Kovalov](https://appshunter.io/developer/1864691271) | [IBAI PEREZ ARISTU](https://appshunter.io/developer/1875751541) |

## 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 |


### LogLess

[App page](https://appshunter.io/ios/app/logless/id6758918892)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LogLess Premium Monthly | $1.99 | per month |
| LogLess Premium Yearly | $17.99 | per year |


## Frequently asked questions

### Is Cognitive Diary free?

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

### Is LogLess free?

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

### Do Cognitive Diary or LogLess have ads?

Neither Cognitive Diary nor LogLess shows ads.

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

Cognitive Diary ships an update fortnightly, and LogLess every 6 days. Most recently, Cognitive Diary was updated on October 13, 2026 and LogLess on October 24, 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.*