# Chess Online vs Chess9

The clearest difference is in-app purchases: Chess9 at none against Chess Online's 6. Chess9 also leads on ads (none vs shown) and update cadence (every 2 months vs every 8 months). Chess Online's advantage is iOS requirement (15.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Chess Online sells 6 one-off in-app purchases. Chess9 asks for nothing beyond the download.

Chess Online ships an update every 8 months, Chess9 every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chess Online | Chess9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 131 MB | 11 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [GAMOSTAR](https://appshunter.io/developer/1789108836) | [Shashwat Patel](https://appshunter.io/developer/1873309489) |

## What reviewers say

### Chess Online

[App page](https://appshunter.io/ios/app/chess-online-multiplayer-game/id6758336920)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Online Pack 1 | $0.99 | one-time |
| Chess Online Pack 2 | $1.99 | one-time |
| Chess Online Pack 3 | $2.99 | one-time |
| Chess Online Pack 4 | $3.99 | one-time |
| Chess Online Pack 5 | $4.99 | one-time |
| Chess Online Pack 6 | $9.99 | one-time |


### Chess9

[App page](https://appshunter.io/ios/app/chess9/id6758634392)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Online free?

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

### Is Chess9 free?

Chess9 is free to download, with no in-app purchases.

### Do Chess Online or Chess9 have ads?

Chess Online shows ads; Chess9 does not.

### Which is updated more often, Chess Online or Chess9?

Chess Online ships an update every 8 months, and Chess9 every 2 months. Most recently, Chess Online was updated on October 28, 2026 and Chess9 on October 24, 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.*