# Sudoku: Sudoku Classic — Logic number brain puzzles

> Classic number puzzle game with thousands of logic challenges and daily fun. (iPhone/iPad app by Bui Duy Duc.)

- Source: https://appshunter.io/ios/app/sudoku-sudoku-classic/id1599464613 (this page in markdown: same URL + `.md`)
- Developer: [Bui Duy Duc](https://appshunter.io/developer/1530764768)
- Category: Games, Board, Puzzle
- Price: Free
- Rating: 4.50/5 from 6 App Store ratings
- Age rating: 4+
- Requires: iOS 11.0 · 65 MB
- Languages: English
- Released: 2021-12-12
- Data updated: 2026-06-04
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-sudoku-classic/id1599464613/reviews.md

## What is Sudoku?

Sudoku Classic: a puzzle game loved by many people. Owning Sudoku puzzles is having a modern and useful entertainment tool.
Sudoku Classic is equipped with thousands of logic block puzzles and daily fun challenges. Helps you improve logical thinking and memory. Download and play Sudoku Classic, you will be addicted on the first try.

Inspired by classic number puzzle games, this sudoku block promises to bring great things to you and your loved ones.
Objective: put the numbers 1 to 9 in each cell on the grid so that each number appears only once in the column/row/small grid.
This brain training game will give you the necessary sudoku techniques, plus lots of fun.

You can freely control the numbers, optionally set up for the game:
- Automatically remove notes from all columns/rows once the number is set
- Turn on/off the sound
- Enable/disable Mark the same numbers
- Pencil mode on/off
- Timer on/off

Many new features are equipped, constantly updated:
- There are 4 levels of number block sudoku puzzle: easy - medium - hard - professional
- Smart hints
- Beautiful and custom wallpapers
- Long press for quick filling
- Unlimited undo
- Pause or replay any level
- Autosave
- Sudoku offline
- Sharp images, harmonious colors
- Large numbers and letters, do not affect the eyes

You can play with the kids because Sudoku Classic has no age limit for players. We design the puzzles very carefully, distributed according to the right level from easy to difficult, creating attractiveness to play.

You will receive instructions on how to play Sudoku as soon as you open the game. Conquer daily easy sudoku puzzles to collect trophies.
Sudoku Classic - indispensable companion in free time - extremely rewarding and addictive number sudoku game!

## Key features

- Thousands of logic puzzles
- Daily fun challenges
- Four difficulty levels
- Smart hints
- Customizable game options
- Offline play
- Unlimited undo


## Frequently asked questions about Sudoku

### Does Sudoku Classic have ads?

Yes, Sudoku Classic contains advertisements. These ads help support the development and free availability of the game.

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

Sudoku Classic features four difficulty levels: easy, medium, hard, and professional. This allows players to choose challenges that match their skill level.

### Can I play Sudoku Classic offline?

Yes, Sudoku Classic supports offline play. You can enjoy the logic puzzles without needing an internet connection.

### How does Sudoku Classic help improve my skills?

The game provides thousands of logic puzzles and daily challenges designed to improve your logical thinking and memory. It also offers smart hints to guide you.

### What devices is Sudoku Classic available on?

Sudoku Classic is available on iPhone, iPad, and iPod. It is designed for iOS devices.

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

Sudoku Classic has an age rating of 4+, making it suitable for players of all ages, including children.

### How often is Sudoku Classic updated?

The latest version, 1.1, was released on December 19, 2021. While specific update frequency isn't detailed, new features are constantly being added.

### What are some customizable options in Sudoku Classic?

You can customize options such as automatically removing notes, turning sound on/off, marking the same numbers, and using pencil mode. The timer can also be enabled or disabled.

## Version history (last 2 releases)

### 1.1 — 2021-12-19

- Fixes minor bugs
- Improve performance

### 1.0 — 2021-12-12

No release notes.

## Apps similar to Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku Classic Brain Puzzle](https://appshunter.io/ios/app/sudoku-classic-brain-puzzle/id6444699070) | 4.8 (3,609) | Free | Games |
| [Tile Journey: Triple Matching](https://appshunter.io/ios/app/tile-journey-triple-matching/id1542272980) | 4.5 (2) | Free | Games |
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| [Color Lines .](https://appshunter.io/ios/app/color-lines/id1418930900) | — | Free | Games |
| [移动火柴-经典数字益智小游戏](https://appshunter.io/ios/app/id1261810940) | 4.7 (23) | Free | Games |
| [Wooden Block Puzzle Game](https://appshunter.io/ios/app/wooden-block-puzzle-game/id1482227900) | — | Free | Games |

## More apps by Bui Duy Duc

- [Word Search Spirit - Word Game](https://appshunter.io/ios/app/word-search-spirit-word-game/id1530764766)
- [Word Games: Word Forest](https://appshunter.io/ios/app/word-games-word-forest/id1535312426)
- [Word Pop Addict -  Crossword](https://appshunter.io/ios/app/word-pop-addict-crossword/id1540703927)
- [Wood Block Puzzle*](https://appshunter.io/ios/app/wood-block-puzzle/id1544733805)
- [Solitaire Collection Game](https://appshunter.io/ios/app/solitaire-collection-game/id1546045506)
- [Block Puzzle Jewel!](https://appshunter.io/ios/app/block-puzzle-jewel/id1546045779)

All apps by Bui Duy Duc: https://appshunter.io/developer/1530764768

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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.*