# Prism Chess vs Mongjin

The clearest difference is ads: Prism Chess at none against Mongjin's shown. Prism Chess also leads on monetization model (free vs ad-supported) and iOS requirement (15.1 vs 17.0). On price, update cadence, 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.

Prism Chess ships an update every 4 days, Mongjin every 3 days. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Prism Chess | Mongjin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prism-chess/id6758590405/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | **Free** | Ad-supported |
| Size | 32 MB | 44 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Hunter Billhardt](https://appshunter.io/developer/1809484744) | [Oin Kwon](https://appshunter.io/developer/6802195729) |

## What reviewers say

### Prism Chess

[App page](https://appshunter.io/ios/app/prism-chess/id6758590405)

Experience classic chess with a unique twist. Rotate sections of the board to reposition pieces, disrupt opponents, and create new tactical opportunities. This game introduces a novel win condition where capturing the king directly ends the match.

**Highlights:** Classic chess rules with board rotation, Local multiplayer on a single device, AI opponent with adjustable difficulty, Unique win condition: direct king capture, Visual grid guides for rotation zones, Move log and undo functionality

**In-app purchases:** none


### Mongjin

[App page](https://appshunter.io/ios/app/mongjin/id6802212694)

A two-player strategy board game where players escort their King to safety while using Guards to block opponents and open routes. Simple rules offer deep strategic decisions for quick matches, friend games, or playing against AI.

**Highlights:** Real-time online matches, Friend matches via room code, Computer opponents (Easy, Normal, Hard), Local two-player mode, Step-by-step tutorial, Anonymous profiles with stats

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

**In-app purchases:** none


## Frequently asked questions

### Is Prism Chess free?

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

### Is Mongjin free?

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

### Do Prism Chess or Mongjin have ads?

Mongjin shows ads; Prism Chess does not.

### Which is updated more often, Prism Chess or Mongjin?

Prism Chess ships an update every 4 days, and Mongjin every 3 days. Most recently, Prism Chess was updated on October 9, 2026 and Mongjin on October 17, 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.*