# brainmate by Brain M8 vs CogniLog

The clearest difference is monetization model: CogniLog at free against brainmate by Brain M8's subscription. brainmate by Brain M8's advantage is iOS requirement (18.0 vs 26.2). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for brainmate by Brain M8 against 5.0 for CogniLog. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

brainmate by Brain M8 ships an update every 8 days, CogniLog every 6 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | brainmate by Brain M8 | CogniLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/brainmate-by-brain-m8/id6780284752/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/cognilog-work-log/id6787191035/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 6 days** |
| Monetization | Subscription | **Free** |
| Size | 6 MB | 51 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone | **iPhone, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Brain M8 LLC](https://appshunter.io/developer/6780284754) | [Rivet Rune LLC](https://appshunter.io/developer/1104581884) |

## What reviewers say

### brainmate by Brain M8

[App page](https://appshunter.io/ios/app/brainmate-by-brain-m8/id6780284752)

This AI-powered productivity tool acts as your second brain, remembering key details about people, companies, and projects. It helps you stay organized with smart reminders and a daily pulse check, all while keeping your data secure and accessible.

**Highlights:** AI-powered note-taking and organization, Daily pulse for attention management, Plain markdown notes with interlinking, Follow-through reminders, Secure data storage and export

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

**In-app purchases:** none


### CogniLog

[App page](https://appshunter.io/ios/app/cognilog-work-log/id6787191035)

This app helps you document your work, capturing decisions and reasoning. It allows an AI assistant to read your log and answer questions about your past activities. Entries are plain text with Markdown support, and a visual almanac helps you navigate your history.

**Highlights:** AI-powered work log analysis, Plain text entries with Markdown, Visual almanac for historical navigation, Project-based channels and #tags, Cross-device sync via iCloud, Import from other note-taking apps

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is brainmate by Brain M8 free?

brainmate by Brain M8 is free to download, with no in-app purchases.

### Is CogniLog free?

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

### Which has better reviews, brainmate by Brain M8 or CogniLog?

brainmate by Brain M8 and CogniLog are both rated 5.0 out of 5 on the App Store, from 6 and 3 ratings respectively.

### Do brainmate by Brain M8 or CogniLog have ads?

Neither brainmate by Brain M8 nor CogniLog shows ads.

### Which is updated more often, brainmate by Brain M8 or CogniLog?

brainmate by Brain M8 ships an update every 8 days, and CogniLog every 6 days. Most recently, brainmate by Brain M8 was updated on October 24, 2026 and CogniLog on October 11, 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.*