# Master Sudoku: Sudoku Puzzle — Classic number puzzle game.

> Classic logic number puzzle game for brain training and relaxation. (iPhone/iPad app by 振开 徐.)

- Source: https://appshunter.io/ios/app/master-sudoku-sudoku-puzzle/id1547960059 (this page in markdown: same URL + `.md`)
- Developer: [振开 徐](https://appshunter.io/developer/1520133296)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free
- Rating: 4.83/5 from 6 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 95 MB
- Languages: English, Japanese, Korean, Portuguese, Russian, Chinese, Thai, Chinese, Vietnamese
- Released: 2021-01-19
- Data updated: 2026-06-04
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/master-sudoku-sudoku-puzzle/id1547960059/reviews.md

## What is Master Sudoku?

Master Sudoku free puzzle is a popular classic logic-based number puzzle game to train your brain. Solve daily sudoku puzzles and have fun! This Brain Sudoku puzzle game is perfect for both relaxation and brain training. Exercise your logic, memory and problem solving skills while having fun! Install the free classic sudoku puzzle to start your daily challenge!

The Master Sudoku - Sudoku puzzle, Brain game, Number game is a kind of cool math games. This classic brain puzzle game for Sudoku beginners and advanced players. Whether you want to relax or keep your mind active, pass the time in a pleasant way with the free Sudoku puzzle game! Take your favorite number game with you wherever you go. Sudoku Master is available for offline play. Playing this free sudoku puzzle game on your mobile is as good as using a real pencil and paper.

The goal of our free Sudoku puzzle games is to place 1 to 9 digit numbers in each grid cell so that each number can only appear once in each row, column, and 3x3 block. With our sudoku puzzle, you can not only enjoy sudoku games anytime, anywhere, but also learn sudoku techniques.

【Key Features of Master Sudoku】
- Sudoku puzzles have 4 difficulty levels - easy sudoku, medium sudoku, hard sudoku, and expert sudoku. Suitable for Sudoku beginners and advanced sudoku players to become a sudoku killer master.
- Daily Challenges - Complete daily challenges and collect unique trophies.
- Pencil mode - Turn on / turn off pencil mode as you like, or use the Auto Pencil feature to fill in all the notes with a single click, and the notes will update automatically after you fill in a cell.
- 6 Theme Colors - Simple and fresh visual effects, multiple theme colors to change at will.
- Sudoku variations - 4x4, 6x6, 9x9, 16x16, sudoku for kids, adults, suitable for young and old.
- Pause/resume the game at any time, unfinished Sudoku puzzles are automatically saved.
- Sudoku Online and Sudoku Offline.

【On this Brain Sudoku Puzzle app, you are also able to】
- Highlight duplicates to avoid repeating numbers in a row, column, and block
- Auto remove notes from all columns, rows and blocks once the number is placed
- Hints can guide you through the points when you are stuck on sudoku free puzzles
- Unlimited undo & redo
- Automatically removes notes from all columns, rows, and blocks as soon as the numbers are placed.
- Auto-Complete. Fill in all empty cells with a single click when there are only a few unique numbers left.

【More Features of Sudoku Master Puzzle】
- Statistics. Track your progress for each difficulty level of sudoku puzzle, analyze your best time and other achievements.
- Achievement. Complete puzzles to unlock achievements and rewards.
- Brain Power. Multi-dimensional statistics and analysis of your brain performance while solving puzzles.

When you first open our Sudoku app, you see a guide tour teaching you how to play Sudoku and when you open the puzzle game app for the 100th time, you can see yourself as a Sudoku master and a good Sudoku solver. You’d be able to play any web sudoku fast. Daily sudoku is the best way to start your day! 1 or 2 classic sudoku puzzle will help you to wake up, make your brain work. Download this classic number game and play sudoku free puzzles offline.

Our Sudoku puzzle has an intuitive interface, and well balanced difficulty levels for beginners and advanced players. It’s not only a good time killer but also helps you think, makes you more logical and has a good memory. Challenge your brain with the classic sudoku anywhere, anytime!

If you are an excellent sudoku solver, welcome to our sudoku kingdom! Here you can spend your free time keeping your mind sharp with classic number brain teasers. Come to our Kingdom of Sudoku and keep your mind sharp.

Facebook: www.facebook.com/mastersudoku9 
Instagram: www.instagram.com/mastersudoku9
Website: sudoku.lichismile.com
Email: lichismile2020@gmail.com

## Key features

- Multiple difficulty levels
- Daily challenges with trophies
- Pencil mode with auto-fill
- 6 theme colors
- Sudoku variations (4x4 to 16x16)
- Offline play
- Progress tracking and statistics


## Frequently asked questions about Master Sudoku

### What are the difficulty levels in Master Sudoku?

Master Sudoku offers four difficulty levels: easy, medium, hard, and expert. This allows players of all skill levels, from beginners to advanced Sudoku enthusiasts, to find a suitable challenge.

### Can I play Master Sudoku offline?

Yes, Master Sudoku is available for offline play. You can enjoy your favorite number game anytime, anywhere, without needing an internet connection.

### Does Master Sudoku have ads?

Yes, Master Sudoku contains advertisements. These ads are displayed to support the free version of the game.

### What Sudoku grid sizes are available?

Master Sudoku supports various grid sizes, including 4x4, 6x6, 9x9, and 16x16. This variety caters to different preferences and skill levels, including Sudoku for kids and adults.

### How does the pencil mode work in Master Sudoku?

The pencil mode allows you to make notes within the Sudoku grid. You can manually fill in notes or use the Auto Pencil feature to fill all notes with a single click. Notes update automatically as you place numbers.

### Can I track my progress in Master Sudoku?

Yes, Master Sudoku provides statistics to track your progress for each difficulty level. You can analyze your best times and other achievements, offering insights into your brain performance.

### What is the age rating for Master Sudoku?

Master Sudoku has an age rating of 4+. This indicates it is suitable for young children and older players alike, making it a widely accessible puzzle game.

### How often is Master Sudoku updated?

The latest version of Master Sudoku is 2.5.2, and it was last updated on March 19, 2024. This suggests regular updates to improve the game and add new content.

## Version history (last 5 releases)

### 2.5.2 — 2024-03-19

We hope that you enjoy playing Master Sudoku Puzzles Games. We read all your reviews carefully to make our sudoku game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Master Sudoku Puzzles.

SUDOKU GAME FEATURE:
1. Thousands of sudoku puzzles to solve. Whether you'd like to relax or train your brain.
2. Enjoy the challenge of solving Sudoku puzzles whenever or wherever you are. 

NEW EVENTS:
1. Performance improvements make your operations smoother.
2. Fix some problems.

### 2.5.1 — 2024-03-11

We hope that you enjoy playing Master Sudoku Puzzles Games. We read all your reviews carefully to make our sudoku game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Master Sudoku Puzzles.

SUDOKU GAME FEATURE:
1. Thousands of sudoku puzzles to solve. Whether you'd like to relax or train your brain.
2. Enjoy the challenge of solving Sudoku puzzles whenever or wherever you are. 

NEW EVENTS:
1. Performance improvements make your operations smoother.
2. Fix some problems.

### 2.5.0 — 2024-03-08

We hope that you enjoy playing Master Sudoku Puzzles Games. We read all your reviews carefully to make our sudoku game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Master Sudoku Puzzles.

SUDOKU GAME FEATURE:
1. Thousands of sudoku puzzles to solve. Whether you'd like to relax or train your brain.
2. Enjoy the challenge of solving Sudoku puzzles whenever or wherever you are. 

NEW EVENTS:
1. When a number is selected, the same number in Note is also marked.
2. Fix some problems.

### 2.4.0 — 2024-02-28

We hope that you enjoy playing Master Sudoku Puzzles Games. We read all your reviews carefully to make our sudoku game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Master Sudoku Puzzles.

SUDOKU GAME FEATURE:
1. Thousands of sudoku puzzles to solve. Whether you'd like to relax or train your brain.
2. Enjoy the challenge of solving Sudoku puzzles whenever or wherever you are. 

NEW EVENTS:
1. Optimization of flower farming systems.
2. Fix some problems.

### 2.3.3 — 2024-02-20

We hope that you enjoy playing Master Sudoku Puzzles Games. We read all your reviews carefully to make our sudoku game even better for you. Please leave us some feedback to let us know why you love this puzzle game and what you'd like us to improve in it. Relax or Keep your mind active with Master Sudoku Puzzles.

SUDOKU GAME FEATURE:
1. Thousands of sudoku puzzles to solve. Whether you'd like to relax or train your brain.
2. Enjoy the challenge of solving Sudoku puzzles whenever or wherever you are. 

NEW EVENTS:
1. Optimization of flower farming systems.
2. Fix some problems.

## Apps similar to Master Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku.com - Number Games](https://appshunter.io/ios/app/sudokucom-number-games/id1193508329) | 4.8 (1,821,116) | Free | Games |
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| [Cross Logic Puzzle Game](https://appshunter.io/ios/app/cross-logic-puzzle-game/id1561830495) | 4.4 (48,556) | Free | Games |
| [Offline Puzzle Games - PGQ](https://appshunter.io/ios/app/offline-puzzle-games-pgq/id6474549464) | 4.5 (188) | Free | Games |
| [NYT Games: Wordle & Crossword](https://appshunter.io/ios/app/nyt-games-wordle-and-crossword/id307569751) | 4.8 (287,363) | Free | Games |
| [Sudoku Master - Offline Puzzle](https://appshunter.io/ios/app/sudoku-master-offline-puzzle/id1483549696) | 4.7 (27) | Free | Games |

## More apps by 振开 徐

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- [Zig Zag Go! -Rolling Zigzagame](https://appshunter.io/ios/app/zig-zag-go-rolling-zigzagame/id1575302518)
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- [Color Block Puzzle-Block Blast](https://appshunter.io/ios/app/color-block-puzzle-block-blast/id1659229143)

All apps by 振开 徐: https://appshunter.io/developer/1520133296

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*