Sudoku 9 is made and published by Gyuhyeon Jeon. AppBrain is an independent app data site and isn't affiliated with Gyuhyeon Jeon. The app name, icon, screenshots and description belong to Gyuhyeon Jeon and are shown as published on the App Store.
AppBrain's verdict
Established- Rating on App Store
- 4.81
- 21 ratings
- Last updated
- September 20, 2026
It doesn't have enough ratings yet to judge what users think.
Rankings
App Store top chartsApp Store Rankings for Sudoku 9
Competitors
Similar apps and more from Gyuhyeon JeonAlternatives to Sudoku 9
More from Gyuhyeon Jeon
Releases
Updates seen on the App Store- Version
- 4.940
- Launched
- November 2010
No changelog data
User feedback
Ratings and reviews on the App StoreComments on Sudoku 9 for iOS
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Price
- Free
- App size
- 20.4 MB
- Content rating
- Everyone
Technologies used by Sudoku 9
About the app and developer
About Sudoku 9
Sudoku 9 is a games app developed by Gyuhyeon Jeon.
User Ratings
Sudoku 9 is rated 4.81 out of 5 stars. The rating is based on 21 ratings.
App Information
Sudoku 9 is freely available from the App Store. The app size is 20.44 MB. The latest version available is 4.940. The last update was on September 20, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since November 2010.
Developer information for Gyuhyeon Jeon
Address:
Store listing
By Gyuhyeon Jeon, from the App Store
Description by Gyuhyeon Jeon Written by the developer, not by AppBrain. Click to read.
It provides ease of use and almost every feature you can imagine.
Enjoy infinite number of sudoku games with powerful features all your life.
Everyday world sudoku competition
Features
- 5 type of Sudoku games
Original sudoku
Greater than sudoku
Killer sudoku
Calculation sudoku
Symbol sudoku
- Daily Sudoku
Playing same sudoku puzzles with worldwide users everyday
- Facebook/Twitter Integration
Record share on Facebook
Puzzle share on Facebook
Record share on Twitter
Puzzle share on Twitter
- Play again, Watch replay
- Provides infinite number of puzzles at all levels.
Provides infinite number of puzzles and you can play it all your life.
- You can choose game level among 5 different levels
- Auto saving
Always the state of games will be saved and then you can see the last screen when you restart the game.
- Memo for candidate numbers
You can enter candidate numbers in a cell that you don't know the answer immediately. It will help you to play the game.
- Auto memo
Auto memo is provided. So you can progress the game quickly.
- Recording game score
Score of the game is recorded and managed.
- Resetting game
If you screw up the game, you can initialize the game.
- Unlimited undo/redo
You can go back previous status using undo/redo function.
- Multiple bookmarks
You can move to saved position using bookmark. You can save 5 bookmarks.
- Supporting 5 languages (English, Korean, Japanese, 2 Chinese)
- Hint function
Hint function tells you the answer of a cell when you meet a difficult cell. One hint is provided every 20 minutes.
- Display duplicate numbers
When you enter a duplicate number, the number will be displayed with different color. It will help you to play games.
- Full support for Retina display
Provides clear screen with supporting Retina display
- When you double tap the screen the mode will be changed to memo mode
- Display with different color where you need to compare the numbers.
The cells that you should compare the numbers will be painted with different color. It will help you to play games.
- Game Center integration
Check worldwide rankings, the best time ranking in each levels
Backup best time and total score to Game Center
- Various settings
Sound Effects On / Off, change the language, etc.
- Feedback function
You can report a bug or your opinion, and are able to communicate with the developer.
- iOS8 support
- iPhone 6, iPhone 6 Plus support
- World ranking page