# GX Score vs Chess Clock

The clearest difference is in-app purchases: GX Score at none against Chess Clock's 2. GX Score also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | GX Score | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 19 MB | 45 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [美琴 宋](https://appshunter.io/developer/1160294086) | [Erwan ROMBO](https://appshunter.io/developer/1556205314) |

## What reviewers say

### GX Score

[App page](https://appshunter.io/ios/app/gx-score/id1628266227)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-zwango/id6789904927)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zwango Pro | $2.99 | per month |
| Zwango Pro | $9.99 | one-time |


## Frequently asked questions

### Is GX Score free?

GX Score is free to download, with no in-app purchases.

### Is Chess Clock free?

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

### Do GX Score or Chess Clock have ads?

Neither GX Score nor Chess Clock shows ads.

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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.*