# Mathimals vs Cortx

The clearest difference is device support: Cortx at 3 against Mathimals's —. Mathimals's advantage is iOS requirement (12.0 vs 15.6). On price and in-app purchases there is nothing between them.

Both are free to download. Mathimals sells 2 in-app purchases, starting at $0.99 per 3 months and Cortx sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Mathimals | Cortx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 9 days |
| Size | 414 MB | 29 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tibor Castioni](https://appshunter.io/developer/1621725436) | [Henri Delozanne](https://appshunter.io/developer/1865948709) |

## What reviewers say

### Mathimals

[App page](https://appshunter.io/ios/app/mathimals/id1669776274)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Mathimals & numbers | $0.99 | per 3 months |
| White Package | $2.99 | one-time |


### Cortx

[App page](https://appshunter.io/ios/app/cortx-flashcard-revisions/id6757309534)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Monthly (Free Trial) | $2.99 | per month |
| Memo Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Mathimals free?

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

### Is Cortx free?

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

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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.*