# Cognity vs ReadKey

The clearest difference is update cadence: Cognity at fortnightly against ReadKey's every 6 weeks. Cognity also leads on device support (3 vs 1) and iOS requirement (13.4 vs 17.0.0). On price, ads and in-app purchases there is nothing between them.

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

Cognity ships an update fortnightly, ReadKey every 6 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Cognity | ReadKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/cognity-note-taking-made-easy/id6738891917/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 36 MB | 46 MB |
| Requires iOS | **13.4** | 17.0.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daviti Muchiashvili](https://appshunter.io/developer/1743467773) | [Igor Filiuk](https://appshunter.io/developer/1878374897) |

## What reviewers say

### Cognity

[App page](https://appshunter.io/ios/app/cognity-note-taking-made-easy/id6738891917)

This AI-powered note-taking app helps you capture, connect, and organize your thoughts effortlessly. It features semantic search, an interactive knowledge graph, and smart collections for seamless organization across all your devices.

**Highlights:** AI-powered note organization, Search by meaning, Interactive knowledge graph, Smart collections, Cross-device sync

**Features:** macOS Compatibility

**In-app purchases:** none


### ReadKey

[App page](https://appshunter.io/ios/app/readkey/id6759388894)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cognity free?

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

### Is ReadKey free?

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

### Do Cognity or ReadKey have ads?

Neither Cognity nor ReadKey shows ads.

### Which is updated more often, Cognity or ReadKey?

Cognity ships an update fortnightly, and ReadKey every 6 weeks. Most recently, Cognity was updated on October 30, 2026 and ReadKey on November 5, 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.*