# Sudoku Master Pro vs 체스왕

The clearest difference is in-app purchases: 체스왕 at none against Sudoku Master Pro's 1. 체스왕 also leads on update cadence (daily vs every 2 weeks) and iOS requirement (15.1 vs 17.0). Sudoku Master Pro's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Sudoku Master Pro sells 1 one-off in-app purchase. 체스왕 asks for nothing beyond the download.

Sudoku Master Pro ships an update every 2 weeks, 체스왕 daily. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sudoku Master Pro | 체스왕 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 7 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hayri Odabas](https://appshunter.io/developer/1883951024) | [Yousung Won](https://appshunter.io/developer/1734026650) |

## What reviewers say

### Sudoku Master Pro

[App page](https://appshunter.io/ios/app/sudoku-master-pro-logic-grid/id6780234978)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sudoku Pro | $2.99 | one-time |


### 체스왕

[App page](https://appshunter.io/ios/app/id6782247019)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku Master Pro free?

Sudoku Master Pro is free to download, with in-app purchases available.

### Is 체스왕 free?

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

### Do Sudoku Master Pro or 체스왕 have ads?

체스왕 shows ads; Sudoku Master Pro does not.

### Which is updated more often, Sudoku Master Pro or 체스왕?

Sudoku Master Pro ships an update every 2 weeks, and 체스왕 daily. Most recently, Sudoku Master Pro was updated on November 8, 2026 and 체스왕 on October 31, 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.*