# MatuMath vs KORTEK

The clearest difference is update cadence: KORTEK at every 2 days against MatuMath's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MatuMath sells 3 in-app purchases, starting at $19.99 per month and KORTEK sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

MatuMath ships an update every 2 weeks, KORTEK every 2 days. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MatuMath | KORTEK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 55 MB | 16 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephane Hartmann](https://appshunter.io/developer/6779685444) | [ALEXIS SACHA ARTHUR BRASSEUR](https://appshunter.io/developer/6803713087) |

## What reviewers say

### MatuMath

[App page](https://appshunter.io/ios/app/matumath/id6779685442)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium mensuel | $19.99 | per month |
| Premium Trimestriel | $59.99 | per 3 months |
| Premium Annuel | $179.99 | per year |


### KORTEK

[App page](https://appshunter.io/ios/app/kortek-remember-everything/id6803712965)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KORTEK+ mensuel | $8.99 | per month |
| KORTEK Family | $24.99 | per month |
| KORTEK+ annuel | $89.99 | per year |
| KORTEK Family | $249.99 | per year |


## Frequently asked questions

### Is MatuMath free?

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

### Is KORTEK free?

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

### Do MatuMath or KORTEK have ads?

Neither MatuMath nor KORTEK shows ads.

### Which is updated more often, MatuMath or KORTEK?

MatuMath ships an update every 2 weeks, and KORTEK every 2 days. Most recently, MatuMath was updated on October 10, 2026 and KORTEK 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.*