# Саммасати vs Cognify

The clearest difference is in-app purchases: Саммасати at none against Cognify's 2. Саммасати also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Cognify sells 2 in-app purchases, starting at $6.99 per month. Саммасати asks for nothing beyond the download.

## The numbers

| Metric | Саммасати | Cognify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 31 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Victoria Lindenbaum](https://appshunter.io/developer/1895000308) | [Boris Spiro](https://appshunter.io/developer/1853293003) |

## What reviewers say

### Саммасати

[App page](https://appshunter.io/ios/app/id6762763811)

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

**In-app purchases:** none


### Cognify

[App page](https://appshunter.io/ios/app/cognify-math-and-memory/id6782687535)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is Саммасати free?

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

### Is Cognify free?

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

### Do Саммасати or Cognify have ads?

Neither Саммасати nor Cognify shows ads.

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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.*