# Four Seconds vs Chess Clock Ultra

The clearest difference is iOS requirement: Four Seconds at 10.0 against Chess Clock Ultra's 26.0. On price, ads, 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.

## The numbers

| Metric | Four Seconds | Chess Clock Ultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/four-seconds/id1280965840/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | — |
| Monetization | Free | — |
| Size | 24 MB | 2 MB |
| Requires iOS | **10.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Antonescu](https://appshunter.io/developer/1126352058) | [netAdapt Apps](https://appshunter.io/developer/1201313766) |

## What reviewers say

### Four Seconds

[App page](https://appshunter.io/ios/app/four-seconds/id1280965840)

Test your timing by stopping a timer at precisely four seconds. Compete with others on the leaderboard to see who has the best precision. It's a simple yet challenging game of skill.

**Highlights:** Precise timer stopping, Four-second challenge, Global leaderboard, Simple gameplay

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

**In-app purchases:** none


### Chess Clock Ultra

[App page](https://appshunter.io/ios/app/chess-clock-ultra/id6761626273)

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

**In-app purchases:** none


## Frequently asked questions

### Is Four Seconds free?

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

### Is Chess Clock Ultra free?

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

### Do Four Seconds or Chess Clock Ultra have ads?

Neither Four Seconds nor Chess Clock Ultra shows ads.

---

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