# Chess ∙ vs Knight & Castle

The clearest difference is update cadence: Knight & Castle at weekly against Chess ∙'s every 4 months. Chess ∙'s advantage is chart position (#62 vs unranked) and iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Chess ∙ ships an update every 4 months, Knight & Castle weekly. The most recent releases landed on November 10, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Chess ∙ | Knight & Castle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (208K ratings)](https://appshunter.io/ios/app/chess/id311395856/reviews)** | — |
| Number of ratings | **208K** | — |
| Positive reviews | 56.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Ad-supported | — |
| Best chart rank | **#62** | — |
| Size | 84 MB | 8 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Optime Software LLC](https://appshunter.io/developer/289278460) | [KAZUYUKI TAJIMA](https://appshunter.io/developer/876885221) |

## What reviewers say

### Chess ∙

[App page](https://appshunter.io/ios/app/chess/id311395856)

**Currently charting:** #62 Top Free · Strategy, #94 Top Free · Board (US App Store)

Experience a visually appealing and engaging chess game on your iPhone and iPod Touch. Play against friends or a customizable AI opponent with features like undo and automatic saving. Enjoy a free, ad-supported experience.

**Highlights:** 1 and 2 player gameplay, Challenging computer opponent, Great graphics and sound, Configurable difficulty, Undo function, Automatic save

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fun to play everyday
- 👍 Good free game
- 👍 Nice little game
- 👍 Very good practice
- 👍 Addictive

**What reviewers complain about**

- 🐛 AD crazy
- 🐛 Major glitches make the game impossible
- 🐛 Force draw
- 🐛 Issues, needs fixing but has potential
- 🐛 Disappearing Pieces

**Reported bugs**

- Rook being able to move diagonally
- Stalemate glitch where it will preemptively call stalemate before it even happens
- Call stalemate when only the king can't move, and the other pieces can still move
- Pieces move too fast
- Doesn't allow en-passant moves by pawns

**Requested features**

- Undo from stalemate
- Highland opponents last move in green and my last move in blue
- Allow a third level of zoom to fill the screen
- Display a numeric value when difficulty slider is moved
- Ability to turn off safety where you can't move king to where it would get taken out


### Knight & Castle

[App page](https://appshunter.io/ios/app/knight-and-castle/id6803744501)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess ∙ free?

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

### Is Knight & Castle free?

Knight & Castle is free to download, with no in-app purchases.

### Do Chess ∙ or Knight & Castle have ads?

Both Chess ∙ and Knight & Castle show ads.

### Which is updated more often, Chess ∙ or Knight & Castle?

Chess ∙ ships an update every 4 months, and Knight & Castle weekly. Most recently, Chess ∙ was updated on November 10, 2026 and Knight & Castle on November 1, 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.*