Conceptis Sudoku – Brings a new dimension to Sudoku mobile

[Game] Conceptis Sudoku

Conceptis Sudoku  Top Sudoku app in Japan!

Play six different Sudoku variations in a single app. Start with classic Sudoku grids and advance to Diagonal Sudoku, Irregular Sudoku and OddEven Sudoku – each with a different look and a unique twist of brain challenging logic. Huge brain-bashing Mega Sudoku puzzles, also known as Monster Sudoku, are offered for tablet only.

With its diverse variations and straightforward no-frills game design, Conceptis Sudoku brings a new dimension to Sudoku mobile gaming – on both smartphones and tablets.

To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format.

For more fun, Conceptis Sudoku includes a Weekly Bonus section providing an extra free puzzle each week.


120 free Classic Sudoku and Sudoku variants puzzle samples
Variants include Mini, Diagonal, Irregular, OddEven and Mega
Extra bonus puzzle published free each week
Multiple difficulty levels from very easy to extremely hard
Puzzle library continuously updates with new content
Manually selected, top quality puzzles
Unique solution for each puzzle
Hours of intellectual challenge and fun
Sharpens logic and improves cognitive skills


Concurrently playing and saving multiple puzzles
Puzzle library sorting and hiding options
Portrait and landscape screen support (tablet only)
Graphic previews showing puzzles progress as they are being solved
Pencilmarks feature for solving hard puzzles
Autofill pencilmarks mode
Highlight Excluded Squares option
Lock number on keypad option
Unlimited Undo and Redo
Show conflicts during gameplay
Check puzzle
Track puzzle solving times
Backup & restore puzzle progress to Google Drive


All puzzles in this app are produced by Conceptis Ltd. – the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world.

Conceptis Sudoku user reviews :

Wonderful. Is very engaging. Not like the machine created ones, even the hard puzzles can be solved using logic.

I like the way this version of Sudoku manages mistakes and scoring a lot better than some of the others. It doesn’t ding you for every mistake and gives you a chance to work backward and figure out what you did wrong.

Good, challenging at times, but all my purchases randomly disappear and pressing ‘reinstall purchases’ is not working. I have all the receipts.
  • Conceptis Ltd
  • Sorry to hear you are having a problem with this app. If this problem persists, please send us an email to support[at] so we can help resolve this issue.

Quite frankly wonderful and a great time-waster. The side-by-side keypads for notes and entries are much more convenient than the usual switch button. A nice variety of sudoku types and levels of difficulty, but too few puzzles. Nevertheless, it’s intriguing enough I might be willing to pay for another set of puzzles.

Sudoku is a fun puzzle game when you are bored and they added a twist by making different sized puzzles. A big plus is that this app doesn’t need internet, so you can play it as long as you have charge. Different sudoku apps I have used before have had some weird controls that are touchy and can get annoying pretty fast. This app has better controls that simpler for playing, which is nice for a mobile game.

This used to be my second favorite sudoku app, due to satisfying difficulty but hated the user interface. Then one day I thought I found a bug in the puzzle emailed the dev and he emailed me right back, so I told him my suggestion about the interface. Today I jumped on for the first time in a few weeks to learn he got the change deployed and the experience is even better than I expected, love it!!

These Conceptis apps are the only ones a Sudoku/puzzle lover will ever need. Simple controls and all the features you need, including undo, number notes, a timer, a checker and solver, and an optional conflict viewer. Clean visuals and very accessible for the visually impaired. And no ads bugging you!

Nice version of sudoku, ads aren’t too annoying. It’s very expensive to keep playing after the free puzzles run out, and they do so quickly. You get a new free puzzle every week, that helps a little.

I enjoy the 3 levels of difficulty and the variety of sudoku puzzles offered. The separate number pad for notes is great! I’m happy not having to tap an extra key to make the number pad for notes versus decisions. A really enjoyable app.

My suggestion : I think that keeping the diagonal dots is not necessary. It makes the number unreadable. And I wish that there’s an option to change the colors like there are other themes available

Great games. The only thing I would suggest is that on diagonal games, instead of using the dots, it would be easier if those squares were shaded. And lots mores games!
  • Conceptis Ltd.
  • Thank you for your comment. Please note it is not possible to shade the diagonal squares because there is already a shading feature in the game which is used for other purposes. We will look for other ideas how to improve this issue.

Contact developer :


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