# Aida vs Cogno

The clearest difference is in-app purchases: Cogno at none against Aida's 3. Aida's advantage is update cadence (every 2 weeks vs every 8 months) and iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Aida sells 3 in-app purchases, starting at $4.99 per month. Cogno asks for nothing beyond the download.

Aida ships an update every 2 weeks, Cogno every 8 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Aida | Cogno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 58 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kurbonoy Gadoeva](https://appshunter.io/developer/1799708891) | [Yuichi Matsuoka](https://appshunter.io/developer/1855259049) |

## What reviewers say

### Aida

[App page](https://appshunter.io/ios/app/aida-ai-notes-organizer/id6743345388)

This AI-powered app automatically organizes your typed or pasted notes into smart categories. It offers fast search and a built-in assistant for quick answers and suggestions, helping you manage thoughts, tasks, and ideas without manual sorting.

**Highlights:** Self-sorting notes, Blazing-fast search, Natural language input, Smart categories, Built-in AI assistant, Cross-project organization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| 3 Months | $9.99 | per 3 months |
| Annual | $49.99 | per year |


### Cogno

[App page](https://appshunter.io/ios/app/cogno/id6755649034)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aida free?

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

### Is Cogno free?

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

### Do Aida or Cogno have ads?

Neither Aida nor Cogno shows ads.

### Which is updated more often, Aida or Cogno?

Aida ships an update every 2 weeks, and Cogno every 8 months. Most recently, Aida was updated on October 24, 2026 and Cogno on October 20, 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.*