# Go Clock vs Chess Clock & Game Timer

The clearest difference is ads: Go Clock at none against Chess Clock & Game Timer's shown. Chess Clock & Game Timer's advantage is iOS requirement (17.4 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Go Clock sells 3 in-app purchases, starting at $0.99 per month and Chess Clock & Game Timer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Go Clock | Chess Clock & Game Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 4 weeks |
| Size | 14 MB | 6 MB |
| Requires iOS | 26.0 | **17.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Grellert](https://appshunter.io/developer/1886984960) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### Go Clock

[App page](https://appshunter.io/ios/app/go-clock-byoyomi-timer/id6795444077)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $8.99 | per year |
| Byoyomi Timer Pro | $24.99 | one-time |


### Chess Clock & Game Timer

[App page](https://appshunter.io/ios/app/chess-clock-and-game-timer/id6797403301)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Yearly | $2.99 | per year |
| Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Go Clock free?

Go Clock is free to download, with in-app purchases available.

### Is Chess Clock & Game Timer free?

Chess Clock & Game Timer is free to download, with in-app purchases available.

### Do Go Clock or Chess Clock & Game Timer have ads?

Chess Clock & Game Timer shows ads; Go Clock does not.

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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.*