# 시험타이머 vs Matrix Aptitude

The clearest difference is iOS requirement: Matrix Aptitude at 15.0 against 시험타이머's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

시험타이머 ships an update every 10 days, Matrix Aptitude fortnightly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 시험타이머 | Matrix Aptitude |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 7 MB | 4 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taeyoung Lee](https://appshunter.io/developer/1795975526) | [woosik choi](https://appshunter.io/developer/1845521022) |

## What reviewers say

### 시험타이머

[App page](https://appshunter.io/ios/app/gsat/id6759232762)

**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 시험타이머 free?

시험타이머 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 시험타이머 or Matrix Aptitude have ads?

Both 시험타이머 and Matrix Aptitude show ads.

### Which is updated more often, 시험타이머 or Matrix Aptitude?

시험타이머 ships an update every 10 days, and Matrix Aptitude fortnightly. Most recently, 시험타이머 was updated on October 25, 2026 and Matrix Aptitude on October 9, 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.*