# CogniLog vs DuePair

The clearest difference is in-app purchases: CogniLog at none against DuePair's 1. CogniLog also leads on update cadence (every 6 days vs every 2 weeks). DuePair's advantage is iOS requirement (17.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. DuePair sells 1 one-off in-app purchase. CogniLog asks for nothing beyond the download.

CogniLog ships an update every 6 days, DuePair every 2 weeks. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CogniLog | DuePair |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cognilog-work-log/id6787191035/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 51 MB | 25 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rivet Rune LLC](https://appshunter.io/developer/1104581884) | [姝慧 王](https://appshunter.io/developer/6788949929) |

## 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


### DuePair

[App page](https://appshunter.io/ios/app/duepair-preorder-reminder/id6789973340)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DuePair Pro | $4.99 | one-time |


## Frequently asked questions

### Is CogniLog free?

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

### Is DuePair free?

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

### Do CogniLog or DuePair have ads?

Neither CogniLog nor DuePair shows ads.

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

CogniLog ships an update every 6 days, and DuePair every 2 weeks. Most recently, CogniLog was updated on October 11, 2026 and DuePair on October 15, 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.*