# Chess.clock vs RD Chess Timer

The clearest difference is update cadence: RD Chess Timer at every 6 days against Chess.clock's every 3 months. 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.

Chess.clock ships an update every 3 months, RD Chess Timer every 6 days. The most recent releases landed on August 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Chess.clock | RD Chess Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 2 MB | 26 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Paul Hering](https://appshunter.io/developer/1788259541) | [Raghul S](https://appshunter.io/developer/1344469407) |

## What reviewers say

### Chess.clock

[App page](https://appshunter.io/ios/app/chessclock/id6740070517)

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

**In-app purchases:** none


### RD Chess Timer

[App page](https://appshunter.io/ios/app/rd-chess-timer/id6760386789)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess.clock free?

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

### Is RD Chess Timer free?

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

### Do Chess.clock or RD Chess Timer have ads?

Neither Chess.clock nor RD Chess Timer shows ads.

### Which is updated more often, Chess.clock or RD Chess Timer?

Chess.clock ships an update every 3 months, and RD Chess Timer every 6 days. Most recently, Chess.clock was updated on August 30, 2026 and RD Chess Timer on September 21, 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.*