# SixFour Chess vs Chess9

SixFour Chess and Chess9 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SixFour Chess | Chess9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 10 MB | 11 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Adouani SAS](https://appshunter.io/developer/1635325565) | [Shashwat Patel](https://appshunter.io/developer/1873309489) |

## What reviewers say

### SixFour Chess

[App page](https://appshunter.io/ios/app/sixfour-chess/id6755084189)

**In-app purchases:** none


### Chess9

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

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

**In-app purchases:** none


## Frequently asked questions

### Is SixFour Chess free?

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

### Is Chess9 free?

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

### Do SixFour Chess or Chess9 have ads?

Neither SixFour Chess nor Chess9 shows ads.

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

SixFour Chess ships an update every 2 months, and Chess9 every 2 months. Most recently, SixFour Chess was updated on October 5, 2026 and Chess9 on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*