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Conceptis Sudoku

By Conceptis Ltd.

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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, Mini 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 iPad only.

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

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 options
• Portrait and landscape screen support (iPad only)
• Pencilmarks feature for solving hard puzzles
• Highlight Excluded Squares option
• Lock number on keypad option
• Unlimited Undo and Redo
• Show conflicts during gameplay
• Check puzzle
• Track puzzle solving times


Sudoku are highly addictive logic puzzles which have taken the world by storm. Using pure logic and requiring no math to solve, these fascinating puzzles offer endless fun and intellectual entertainment to puzzle fans of all skills and ages. Each Classic Sudoku puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column and 3x3 box.


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.

What's New in Version 2.4

This version resolves an issue of occasional reset of Weekly Bonus puzzles’ progress. It also improves performance and stability.


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iPad Screenshot 1
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Customer Reviews

Love hate relationship VARIETY?!?!please

VARIETY!! This Soduko is by far my favorite Soduko app by far. VARIETY!! Game play is awesome. I wish it would allow you to stay in "pencil" mode (little numbers) until you switched. My other wish is that when offering a new VARIETY!! pack each week, is that you would PLEASE make VARIETY!! packs. I do not like doing the same Soduko each time, I love the VARIETY!! pack and just keep clearing my starter pack and playing it over and over until you come out with them for purchase. Thank you! VARIETY!!!!!

True Sudoku

This is one of very few sudoku apps in the market that is true sudoku. Most of the sudoku apps do not use the symmetrical pattern that is characteristic of the original style of sudoku. I love the different types of games. This version of Sudoku is the only one I found that gives you that kind of variety.

Wish it offered variety packs for purchase

The performance of this app is great. I have completed all of the puzzles and would buy more except they only offer one skill level and type with each packet. So I keep refreshing the free games.

Conceptis Sudoku
View In iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Games
  • Updated:
  • Version: 2.4
  • Size: 9.2 MB
  • Languages: English, Japanese, Simplified Chinese
  • Seller:

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Customer Ratings

Current Version:
All Versions:

Top In-App Purchases

  1. Classic Medium 1$1.99
  2. Classic Easy 1$0.99
  3. Classic Hard 1$1.99
  4. Diagonal Hard 1$1.99
  5. Irregular Hard 1$1.99
  6. Irregular Medium 1$1.99
  7. OddEven Hard 1$1.99
  8. Mega Medium 1$3.99
  9. Diagonal Medium 1$1.99
  10. Mega Hard 1$3.99