# K.O. Sudoku Pro vs 数独杀Murdoku

The clearest difference is price: 数独杀Murdoku at Free against K.O. Sudoku Pro's $19.99. K.O. Sudoku Pro's advantage is review sentiment (89% vs 53%). On update cadence, ads, in-app purchases and device support there is nothing between them.

数独杀Murdoku is free to download; K.O. Sudoku Pro costs $19.99 up front. K.O. Sudoku Pro sells 2 one-off in-app purchases and 数独杀Murdoku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on November 12, 2026.

## The numbers

| Metric | K.O. Sudoku Pro | 数独杀Murdoku |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/murdoku/id6791810457/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | **88.9% of reviews** | 52.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 36 MB | 120 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [又瑞 韦](https://appshunter.io/developer/1625836878) | [Chengdu Yztp Technology Co., Ltd](https://appshunter.io/developer/1437368208) |

## What reviewers say

### K.O. Sudoku Pro

[App page](https://appshunter.io/ios/app/ko-sudoku-pro/id6479217148)

This app offers a vast collection of Sudoku puzzle types with detailed explanations and photo input. It provides an ad-free experience, unlimited hints, and cloud backup for all your puzzle progress.

**Highlights:** Permanent ad-free experience, Unlimited prompts/hints, Cloud backup for progress, Photo input for puzzles, Step-by-step explanations, Supports numerous Sudoku grid sizes and variants

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quiz Pass 30 days | $1.99 | one-time |
| Quiz Pass 365 days | $19.99 | one-time |


### 数独杀Murdoku

[App page](https://appshunter.io/ios/app/murdoku/id6791810457)

Solve mysteries by finding clues in pixelated crime scenes and using logic to reconstruct events. This game combines Sudoku-style deduction with narrative-driven puzzles, allowing you to place suspects and victims correctly based on case details.

**Highlights:** Pixelated crime scene investigation, Logic-based deduction puzzles, Narrative-driven case solving, Variable grid sizes for cases, Additional castle exploration puzzles

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 数独杀VIP | $0.99 | one-time |


## Frequently asked questions

### Is K.O. Sudoku Pro free?

K.O. Sudoku Pro costs $19.99, and also offers in-app purchases.

### Is 数独杀Murdoku free?

数独杀Murdoku is free to download, with in-app purchases available.

### Do K.O. Sudoku Pro or 数独杀Murdoku have ads?

Both K.O. Sudoku Pro and 数独杀Murdoku show ads.

### Which is updated more often, K.O. Sudoku Pro or 数独杀Murdoku?

K.O. Sudoku Pro ships an update every 4 days, and 数独杀Murdoku every 4 days. Most recently, K.O. Sudoku Pro was updated on November 12, 2026 and 数独杀Murdoku on November 12, 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.*