# Chess Timer Professional vs Chess Clock

The clearest difference is in-app purchases: Chess Clock at none against Chess Timer Professional's 2. Chess Timer Professional's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Chess Timer Professional sells 2 in-app purchases, starting at $2.99 per month. Chess Clock asks for nothing beyond the download.

Chess Timer Professional ships an update every 4 days, Chess Clock every 5 days. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Chess Timer Professional | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 42 MB | 72 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Necati Tellioglu](https://appshunter.io/developer/1854114287) | [Dawid Wrzesinski](https://appshunter.io/developer/1812701337) |

## What reviewers say

### Chess Timer Professional

[App page](https://appshunter.io/ios/app/chess-timer-professional/id6755478645)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Timer Pro Monthly | $2.99 | per month |
| Chess Timer Pro Yearly | $14.99 | per year |


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-game-timer/id6757802516)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chess Timer Professional free?

Chess Timer Professional is free to download, with in-app purchases available.

### Is Chess Clock free?

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

### Do Chess Timer Professional or Chess Clock have ads?

Chess Clock shows ads; Chess Timer Professional does not.

### Which is updated more often, Chess Timer Professional or Chess Clock?

Chess Timer Professional ships an update every 4 days, and Chess Clock every 5 days. Most recently, Chess Timer Professional was updated on October 12, 2026 and Chess Clock on October 3, 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.*