# Classic Sudoku-leisure puzzle — digital crossword puzzle

> Classic Sudoku puzzle game with multiple difficulty levels and helpful features. (iPhone/iPad app by 蓉 李.)

- Source: https://appshunter.io/ios/app/classic-sudoku-leisure-puzzle/id1036120004 (this page in markdown: same URL + `.md`)
- Developer: [蓉 李](https://appshunter.io/developer/1492728333)
- Category: Entertainment, Lifestyle
- Price: Free
- Rating: 5.00/5 from 4 App Store ratings · 5 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 9 MB
- Languages: American English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany) and 21 more
- Released: 2015-09-17
- Data updated: 2026-09-02
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/classic-sudoku-leisure-puzzle/id1036120004/reviews.md

## What is Classic Sudoku?

Sudoku is #1 classic Sudoku game you know and love for your phone and tablet, and the best way to learn and improve your skills in this classic puzzle game.

Sudoku has 4 difficulty levels, intuitive interface, and all the functions right at your fingertips, this sudoku app is sure to be your favorite. Interrupted? Exit Sudoku, and the puzzle is saved exactly as you see it!

Features:
* 4 levels - easy, medium, hard, extreme
* 3 input methods - digit first, cell first, popup
* Pencil marks with auto fill / erase, as specified in settings
* Auto save
* Intelligent hints
* History scores
* Selected digit highlighting, as specified in settings
* Incorrect entry highlighting, as specified in settings

## Key features

- Four difficulty levels (easy to extreme)
- Multiple input methods
- Pencil mark functionality
- Auto-save and intelligent hints
- Highlighting for selected digits and incorrect entries
- History scores

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/classic-sudoku-leisure-puzzle/id1036120004/reviews.md

### 5/5 — Sudoku challenge

*2026-04-25, version 1.3.7*

Right level of difficulty no ads great app

### 2/5 — Mr

*2021-03-09*

Very poorly done. There should only be one solution on a properly drawn up Sudoku and often there are several correct versions of these. You need to work on them.

### 5/5 — Classic Sudoku

*2020-07-16, version 1.3.7*

Great game!  Challenging at your level!  Room to advance as your skills grow!

### 5/5 — Great App

*2018-10-02, version 1.3.7*

I love using this app to keep my mind sharp and to have fun.

### 5/5 — 很耐玩

*2015-10-11, version 1.0*

朋友推荐玩的，很好玩。

## Frequently asked questions about Classic Sudoku

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

Classic Sudoku offers four difficulty levels: easy, medium, hard, and extreme. This allows players of all skill levels to find a suitable challenge.

### Can I save my progress in Classic Sudoku?

Yes, the game features an auto-save function. If you exit the app, your puzzle will be saved exactly as you left it, allowing you to resume later.

### Does Classic Sudoku offer hints?

Yes, Classic Sudoku includes intelligent hints to assist players. It also provides highlighting for selected digits and incorrect entries to help you track your progress.

### What input methods are available in Classic Sudoku?

Classic Sudoku provides three input methods: digit first, cell first, and popup. You can also utilize pencil marks with auto-fill or erase options.

### Is Classic Sudoku available on different devices?

Yes, Classic Sudoku is supported on iPhone, iPad, and iPod. It is designed to work seamlessly across these Apple devices.

### How often is Classic Sudoku updated?

The latest version of Classic Sudoku is 1.3.7, last updated on January 3, 2018. While updates are not frequent, the core gameplay remains stable.

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

Classic Sudoku has an age rating of 4+. This indicates it is suitable for young children and general audiences.

### Does Classic Sudoku have ads?

No, Classic Sudoku is ad-free. You can enjoy the puzzle experience without any interruptions from advertisements.

## Version history (last 5 releases)

### 1.3.7 — 2018-01-03

This app has been updated by Apple to display the Apple Watch app icon.

- perfect fit for iPhone X.
- game performance optimization.
- other functional improvements, problem repair, thank you for your opinion and feedback.

We want to provide a better experience, so we will read your comments carefully.
Please leave your valuable advice and tell us why you like this game and where you need to improve.

### 1.3.5 — 2017-11-06

- Function improvement. Thank you for your comments and feedback.

We hope to provide a better gaming experience to you, so you can read the comments carefully.
Please leave your valuable suggestions, tell us why you like this game, and what needs improvement.

### 1.3.3 — 2017-11-02

-New Sudoku achievement function.
-Function improvement. Thank you for your comments and feedback.

Let's read your comments carefully. Please give us your valuable advice, tell us why you like this game, and what needs to be improved.

### 1.3.1 — 2017-10-27

1, Sudoku game new revision, to give you a better game experience.
2. Adaptation iOS11.
3, function improvement, error correction. Thank you for your comments and feedback.

### 1.3 — 2017-01-04

1､优化软件性能。
2､修复若干Bug。

## Apps similar to Classic Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku! For Watch](https://appshunter.io/ios/app/sudoku-for-watch/id6740756066) | — | $0.99 | Entertainment |
| [Pure-sudoku](https://appshunter.io/ios/app/pure-sudoku/id6751444374) | — | $0.99 | Entertainment |
| [Sudoku - Logic Number Puzzles](https://appshunter.io/ios/app/sudoku-logic-number-puzzles/id1489801991) | 4.7 (74) | Free | Entertainment |
| [Killer Sudoku - Puzzle Game](https://appshunter.io/ios/app/killer-sudoku-puzzle-game/id1532839429) | 4.9 (1,179) | Free | Entertainment |
| [yourSudoku - Over 10k sudoku](https://appshunter.io/ios/app/yoursudoku-over-10k-sudoku/id1351592326) | 3.9 (56) | $4.99 | Entertainment |
| [Sudoku-Classic Brain Puzzles.](https://appshunter.io/ios/app/sudoku-classic-brain-puzzles/id1514553743) | 4.0 (11) | Free | Entertainment |

## More apps by 蓉 李

- [经典智力游戏推箱子](https://appshunter.io/ios/app/id995122746)
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- [Solitaire-classic poker game](https://appshunter.io/ios/app/solitaire-classic-poker-game/id1003585043)
- [Unblock-Classic puzzle game](https://appshunter.io/ios/app/unblock-classic-puzzle-game/id1004859992)
- [测网速-3G,4G,WIFi专业网速测试神器](https://appshunter.io/ios/app/3g4gwifi/id1112124595)

All apps by 蓉 李: https://appshunter.io/developer/1492728333

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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 2026-09-02.*