# Full Screen Timer vs Matrix Clock

The clearest difference is ads: Matrix Clock at none against Full Screen Timer's shown. Matrix Clock also leads on update cadence (every 6 weeks vs every 38 months) and iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

Full Screen Timer ships an update every 38 months, Matrix Clock every 6 weeks. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Full Screen Timer | Matrix Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 38 months | **Every 6 weeks** |
| Size | 10 MB | 20 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Holy Inc](https://appshunter.io/developer/359389894) | [Thang Nguyen](https://appshunter.io/developer/1855722014) |

## What reviewers say

### Full Screen Timer

[App page](https://appshunter.io/ios/app/full-screen-timer-pomodoro/id1502189390)

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

**In-app purchases:** none


### Matrix Clock

[App page](https://appshunter.io/ios/app/matrix-clock-cai-ong-ho/id6783899468)

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

**In-app purchases:** none


## Frequently asked questions

### Is Full Screen Timer free?

Full Screen Timer is free to download, with no in-app purchases.

### Is Matrix Clock free?

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

### Do Full Screen Timer or Matrix Clock have ads?

Full Screen Timer shows ads; Matrix Clock does not.

### Which is updated more often, Full Screen Timer or Matrix Clock?

Full Screen Timer ships an update every 38 months, and Matrix Clock every 6 weeks. Most recently, Full Screen Timer was updated on October 7, 2026 and Matrix Clock on October 28, 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.*