# Chess Clock vs Chess Timer Professional

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 update cadence (every 4 days vs every 2 months). On price 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 Clock ships an update every 2 months, Chess Timer Professional every 4 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Chess Clock | Chess Timer Professional |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 6 MB | 42 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nandha Kumar Ravi](https://appshunter.io/developer/1430918680) | [Necati Tellioglu](https://appshunter.io/developer/1854114287) |

## What reviewers say

### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-timer/id6477877344)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chess Clock free?

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

### Is Chess Timer Professional free?

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

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

Chess Clock shows ads; Chess Timer Professional does not.

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

Chess Clock ships an update every 2 months, and Chess Timer Professional every 4 days. Most recently, Chess Clock was updated on October 13, 2026 and Chess Timer Professional on October 12, 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.*