# CelestialChess vs Rook in Chaos

The clearest difference is update cadence: Rook in Chaos at every 9 days against CelestialChess's every 2 months. Rook in Chaos also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CelestialChess sells 1 one-off in-app purchase and Rook in Chaos sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

CelestialChess ships an update every 2 months, Rook in Chaos every 9 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | CelestialChess | Rook in Chaos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 16 MB | 82 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kuo-Tsun Huang](https://appshunter.io/developer/1800107243) | [明超 董](https://appshunter.io/developer/1738996812) |

## What reviewers say

### CelestialChess

[App page](https://appshunter.io/ios/app/celestialchess/id6747890176)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Rook in Chaos

[App page](https://appshunter.io/ios/app/rook-in-chaos/id6798112692)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is CelestialChess free?

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

### Is Rook in Chaos free?

Rook in Chaos is free to download, with in-app purchases available.

### Do CelestialChess or Rook in Chaos have ads?

Neither CelestialChess nor Rook in Chaos shows ads.

### Which is updated more often, CelestialChess or Rook in Chaos?

CelestialChess ships an update every 2 months, and Rook in Chaos every 9 days. Most recently, CelestialChess was updated on November 8, 2026 and Rook in Chaos on November 6, 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.*