# IDEC vs Matrix Aptitude

The clearest difference is ads: IDEC at none against Matrix Aptitude's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | IDEC | Matrix Aptitude |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 8 days |
| Size | 28 MB | 8 MB |
| Requires iOS | 15.0.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YEONTAE KIM](https://appshunter.io/developer/6778314549) | [woosik choi](https://appshunter.io/developer/1845521022) |

## What reviewers say

### IDEC

[App page](https://appshunter.io/ios/app/idec/id6778314547)

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

**In-app purchases:** none


### Matrix Aptitude

[App page](https://appshunter.io/ios/app/matrix-aptitude-iq-test/id6785131602)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDEC free?

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

### Is Matrix Aptitude free?

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

### Do IDEC or Matrix Aptitude have ads?

Matrix Aptitude shows ads; IDEC does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*