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Uni Sudoku

By David Ross Software

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Play the popular game of Sudoku on your iPhone and iPad with Uni Sudoku. Enjoy the best aspects of the pencil and paper puzzle with all the advantages of playing digitally.

+ Draw your answer in on iPad
+ Quick tap / double tap entry for pencil and pen marks using keypad on iPhone
+ Shake device to clear or fill pencil marks
+ Easy highlighting of numbers to aid in solving puzzle

Play from thousands of puzzles of five different levels, from beginner to expert, or enter puzzles from your favorite game book, newspaper or website to solve. Every puzzle has a unique solution completely achievable by logic both basic and advanced depending on selected level.

Like Uni Sudoku? Please rate on the App Store!

Any feedback or problems? Please email

What's New in Version 2.1

- Number fonts changed for readability
- Pause puzzle when displaying menu

iPad only:

- App takes full screen to prevent conflicts with Notification Center
- Place Sudoku board on right or left depending on device orientation
- Show which numbers have been completed
- Toggle highlighting of numbers with off-board controls

Thanks for all your feedback. Write anytime to with your thoughts.

If you enjoy the app please write a review on the App Store!


iPhone Screenshot 1
iPhone Screenshot 2
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iPad Screenshot 1
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iPad Screenshot 3

Customer Reviews

Dramatic improvement with this latest update... but

I had complained, like so many others, about the previous update. I felt it was only fair to also write about the huge improvements that appeared in this most recent "fix." Huge difference. The game is actually fun to use again. Plus, and this may be my imagination, it even seems like the character recognition has been made more accurate.

My only request at this point, and this is because of my own selfish desire to improve my times, is to have a way to quickly change the temporary numbers into actual entries. So often I complete the game when using the little "possibles" as I call them. But the timer keeps ticking away until I go and replace all of them with actual written numbers. Having a one click conversion would be great, even if it then shows all of the errors that I might have missed!


What response! Everything is fixed. Even things I had not thought of. This is my all time favorite. Thank you so very much.

I was happy before with the exception of character recognition. No pause. Please make the hard to read characters an option. The help is good. This is my favorite game. Please give back the old options. I like the new game select. Richard

My favorite game

I actually liked the handwritten font but no matter. Unisudoku has always been great and it's hard to imagine how it could be better but they keep improving it anyway. I have it on my iPhone and my computer but it really reaches perfection in this iPad version. If you like Sudoku, this is the way to play it.

Uni Sudoku
View In iTunes
This app is designed for both iPhone and iPad
  • $1.99
  • Category: Games
  • Updated: May 02, 2013
  • Version: 2.1
  • Size: 14.4 MB
  • Language: English
  • Seller: David Ross

Compatibility: Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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