# Matrix vs Set Theory Foundations

The clearest difference is price: Set Theory Foundations at Free against Matrix's $1.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Set Theory Foundations is free to download; Matrix costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Matrix | Set Theory Foundations |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 28 MB | 38 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Matrix

[App page](https://appshunter.io/ios/app/matrix-analysis-pro/id1619004498)

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

**In-app purchases:** none


### Set Theory Foundations

[App page](https://appshunter.io/ios/app/set-theory-foundations/id6773423842)

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

**In-app purchases:** none


## Frequently asked questions

### Is Matrix free?

Matrix costs $1.99, with no in-app purchases.

### Is Set Theory Foundations free?

Set Theory Foundations is free to download, with no in-app purchases.

### Do Matrix or Set Theory Foundations have ads?

Neither Matrix nor Set Theory Foundations 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.*