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Sudoku •

By Optime Software LLC

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Take a journey to feudal Japan with Sudoku Free! With beautiful graphics and killer features, Sudoku Free! is the best Sudoku app available for iOS.


Two separate keypads, one for entries and one for notes, allow you to enter values quickly and easily. No more tedious switching between entry mode and note mode to complete your puzzle.


The optional auto-notes feature enters all of the notes into the puzzle for you and keeps them updated as you solve. If you don't want that much help, the optional smart notes feature automatically deletes values from notes you have entered manually when they are no longer valid.


The optional error checker tells you when you have entered an incorrect or illogical value, allowing you to catch errors early and preventing needless frustration.


Five difficulty levels, from easy to insane, ensure that you will be able to find a puzzle that matches your skill level. With 3,000 total puzzles, you won't run out of puzzles any time soon.

Download Sudoku Free! for free today and start playing Sudoku the way it was meant to be played!

What's New in Version 1.45

* Updated app icon for iOS 7
* Minor bug fixes

iPhone Screenshot

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Customer Reviews

Great app, great programming group z

I love this game. Ads are not intrusive while playing, and game features are great. The only issue I've had, and this is the fault of the user, not the programmers, is that I lose track of whether I'm using the "guess" feature or the "play" feature, and I keep playing numbers when I just wanted to list my guesses. I'm sure I'll get it down pat after I play a few more games. Also, I have an old phone, so I'm using an older version of the game, but it loaded perfectly, and there have been zero issues with running the app. Next time I want a game, I plan to check for more made by the same company / people / group. My son recommended them, and he was right, they do a great job!!

Best Sudoku app so far but one problem

Best because: it is just as good as the other two apps I downloaded but this one has a separated number pad and note-taking number pad, so it helps me prevent making error when I only want to take a note but accidentally press the number instead and lose points due to error
Problem: I just reached level six of the first game 'Yamato', and the puzzle was unsolvable because there was a glitch. The numbers had been placed wrong.
I don't mind having one glitch in the game but I'm going to dislike this game in the future if there are a lot of these glitches.

Great little freebie!

While this app does have a small ad banner at the bottom and promotes other products from the developer along the way, it does not affect the quality of play on my iPod touch 4th Gen. I really like the feature of being able to jot in notes without committing to the number until you're sure. And, a separate number pad for that is the perfect innovation! Great job!

Sudoku •
View In iTunes
  • Free
  • Category: Games
  • Updated:
  • Version: 1.45
  • Size: 20.3 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 5.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Customer Ratings

Current Version:
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