# Sudoku Fan — Sudoku-Number Place puzzle

> Classic number puzzle game with multiple difficulty levels and intuitive controls. (iPhone/iPad app by LI ZHIHUI.)

- Source: https://appshunter.io/ios/app/sudoku-fan/id1533579604 (this page in markdown: same URL + `.md`)
- Developer: [LI ZHIHUI](https://appshunter.io/developer/1513704525)
- Category: Games, Entertainment, Card, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.1 · 61 MB
- Languages: American English, Japanese, Chinese (Simplified, China)
- Released: 2020-10-05
- Data updated: 2026-08-15
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-fan/id1533579604/reviews.md

## What is Sudoku Fan?

Sudoku is a classic puzzle number reasoning game.
The rules are simple and easy to play, now it is very popular among beginners and advanced players. There are now world-class competitions every year.
You can easily purchase Sudoku question sets in Japanese bookstores.

Some studies have shown that playing Sudoku can effectively stimulate brain activity and prevent brain aging.
At the same time, Sudoku is also a casual game used to train logical thinking, cultivate patience and relieve stress.

Basic rule: 
 - Enter any number from 1 to 9 in the empty space. 
 - The same number must not be entered more than once in each of the vertical and horizontal columns and in the block surrounded by the thick line.

Our Sudoku game has improved the operation method of filling numbers. 
You only need to drag and drop to complete the filling, overwriting and deleting operations.
Minimize unnecessary clicks. No need for pencils and erasers.
Are you a Sudoku fan? Let's experience it together.

◉ Five difficulty levels: beginner, easy, normal, difficult, expert. With a total of more than 10,000 levels design
◉ Contains basic 4x4 beginner mode and 9x9 standard mode
◉ Support range highlighting, repeated highlighting
◉ Support background switching
◉ Leave the board, the game will be automatically saved and resume
◉ Smart reminder, don’t worry when you are trapped
◉ This app is available on both iPhone and iPad

## Key features

- Drag and drop number filling
- Five difficulty levels
- Over 10,000 levels
- 4x4 and 9x9 modes
- Range and repeat highlighting
- Automatic game saving
- Smart reminders

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock, buy full version | $2.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sudoku-fan/id1533579604/reviews.md

### 5/5 — 大好き！良いでしょう

*2020-10-08*

4x4の初心者モードは優しい。
指のドロップ操作はなかなか良いです。
こともと一緒に楽しんでいます。
ありがとう！

## Frequently asked questions about Sudoku Fan

### What are the basic rules of Sudoku Fan?

In Sudoku Fan, you fill empty spaces with numbers 1-9. The rule is that each number can only appear once in each vertical column, horizontal row, and the 3x3 block surrounded by thick lines.

### What difficulty levels does Sudoku Fan offer?

Sudoku Fan provides five difficulty levels: beginner, easy, normal, difficult, and expert. This allows players of all skill levels to find a suitable challenge.

### Does Sudoku Fan have ads?

No, Sudoku Fan does not contain advertisements, offering an uninterrupted puzzle-solving experience.

### Can I play Sudoku Fan offline?

The description indicates that games are automatically saved when you leave the board, suggesting that offline play is supported for continuing your progress.

### What devices is Sudoku Fan available on?

Sudoku Fan is available on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.

### How often is Sudoku Fan updated?

The app was last updated on April 9, 2025, indicating recent development and potential for ongoing improvements and new content.

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

Sudoku Fan has an age rating of 4+, making it suitable for young players and adults alike.

### Does Sudoku Fan offer different game modes?

Yes, Sudoku Fan includes a basic 4x4 beginner mode in addition to the standard 9x9 mode, catering to different player preferences and skill levels.

## Version history (last 3 releases)

### 1.2.0 — 2025-04-09

・Update to support with iPhone  16series, iOS 18

### 1.1.0 — 2020-11-15

・Update to support with iPhone  12 series, iOS 14

### 1.0.0 — 2020-10-05

No release notes.

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## More apps by LI ZHIHUI

- [Gluttony Snake](https://appshunter.io/ios/app/gluttony-snake/id1513704526)
- [HiraganaPlay](https://appshunter.io/ios/app/hiraganaplay/id1516167242)
- [EZ Translator](https://appshunter.io/ios/app/ez-translator/id1527906541)
- [Safety Drive Recorder](https://appshunter.io/ios/app/safety-drive-recorder/id1530679734)
- [Calligraphy Finger Art](https://appshunter.io/ios/app/calligraphy-finger-art/id1536314751)

All apps by LI ZHIHUI: https://appshunter.io/developer/1513704525

## Related topics

[li zhihui](https://appshunter.io/ios/topics/li-zhihui)

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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 2026-08-15.*