# CogniLog vs ZenNotes

The clearest difference is update cadence: ZenNotes at every 2 days against CogniLog's every 6 days. ZenNotes also leads on ratings volume (11 vs 3) and iOS requirement (15.0 vs 26.2). On price, rating, review sentiment and ads 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 CogniLog against 4.9 for ZenNotes. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

CogniLog ships an update every 6 days, ZenNotes every 2 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CogniLog | ZenNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cognilog-work-log/id6787191035/reviews)** | [4.9 (11 ratings)](https://appshunter.io/ios/app/zennotes-markdown-notes/id6791751575/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 51 MB | 81 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, Mac | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rivet Rune LLC](https://appshunter.io/developer/1104581884) | [Lumary Labs LLC](https://appshunter.io/developer/1874151885) |

## What reviewers say

### 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


### ZenNotes

[App page](https://appshunter.io/ios/app/zennotes-markdown-notes/id6791751575)

This app allows you to create and manage notes using plain Markdown files. It offers flexible storage options, rich text formatting with live previews, and powerful organization tools like task management and note linking. Designed for both phone and tablet, it prioritizes user privacy with no accounts or tracking.

**Highlights:** Plain Markdown file storage, Live rich text previews, Wikilinks and #tags, Vault-wide task management, Table databases as CSV, Excalidraw drawing support, Share extension for quick capture

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

**In-app purchases:** none


## Frequently asked questions

### Is CogniLog free?

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

### Is ZenNotes free?

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

### Which has better reviews, CogniLog or ZenNotes?

CogniLog is rated higher. CogniLog averages 5.0 out of 5 from 3 ratings, while ZenNotes averages 4.9 from 11 ratings.

### Do CogniLog or ZenNotes have ads?

Neither CogniLog nor ZenNotes shows ads.

### Which is updated more often, CogniLog or ZenNotes?

CogniLog ships an update every 6 days, and ZenNotes every 2 days. Most recently, CogniLog was updated on October 11, 2026 and ZenNotes on October 10, 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.*