# Cogno vs Summa AI

The clearest difference is in-app purchases: Cogno at none against Summa AI's 2. Summa AI's advantage is update cadence (daily vs every 8 months) and iOS requirement (16.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Summa AI sells 2 in-app purchases, starting at $2.99 per month. Cogno asks for nothing beyond the download.

Cogno ships an update every 8 months, Summa AI daily. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Cogno | Summa AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Daily** |
| Size | 58 MB | 101 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuichi Matsuoka](https://appshunter.io/developer/1855259049) | [Manh Nguyen](https://appshunter.io/developer/1781255762) |

## What reviewers say

### Cogno

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

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

**In-app purchases:** none


### Summa AI

[App page](https://appshunter.io/ios/app/summa-ai-web-summarizer/id6758043704)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Package | $2.99 | per month |
| Yearly Package | $29.99 | per year |


## Frequently asked questions

### Is Cogno free?

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

### Is Summa AI free?

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

### Do Cogno or Summa AI have ads?

Neither Cogno nor Summa AI shows ads.

### Which is updated more often, Cogno or Summa AI?

Cogno ships an update every 8 months, and Summa AI daily. Most recently, Cogno was updated on October 20, 2026 and Summa AI on October 7, 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.*