# Just Focus Timer vs 4321 Timer

The clearest difference is update cadence: 4321 Timer at every 3 weeks against Just Focus Timer's every 4 months. 4321 Timer also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.5). On price, 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.

Just Focus Timer ships an update every 4 months, 4321 Timer every 3 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Just Focus Timer | 4321 Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 24 MB | 35 MB |
| Requires iOS | 17.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Civan Korkmaz](https://appshunter.io/developer/1725275668) | [Questwork Consulting Limited](https://appshunter.io/developer/881254999) |

## What reviewers say

### Just Focus Timer

[App page](https://appshunter.io/ios/app/just-focus-timer/id6478323264)

**Features:** macOS Compatibility

**In-app purchases:** none


### 4321 Timer

[App page](https://appshunter.io/ios/app/4321-timer/id6757214065)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Just Focus Timer free?

Just Focus Timer is free to download, with no in-app purchases.

### Is 4321 Timer free?

4321 Timer is free to download, with no in-app purchases.

### Do Just Focus Timer or 4321 Timer have ads?

Neither Just Focus Timer nor 4321 Timer shows ads.

### Which is updated more often, Just Focus Timer or 4321 Timer?

Just Focus Timer ships an update every 4 months, and 4321 Timer every 3 weeks. Most recently, Just Focus Timer was updated on October 7, 2026 and 4321 Timer on September 29, 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.*