Sudoku Brain by Fifol 3.2.0 for iPhone and iPad

Sudoku Brain is awesome graphics, user interface, and ease of use. You can play over 7000 problems by completely free.

▽What is Sudoku?
Sudoku is a simple, classic puzzle game that's taken the world by storm.
Having originated in Japan as a pencil puzzle game, Sudoku became extremely popular all over the world as a single-player pursuit.

▽About Sudoku Brain
Why we made the Sudoku Brain app: We want you to be absorbed into the world of Sudoku. So we made Sudoku Brain both simple to use and able to hold a higher volume of new and interesting problems.
Even though Sudoku Brain is very simple to use it has rich features yet is stress-free.
For example most of it’s features are intuitive - - We don’t need to read a how to manual.
We have prepared a variety of sudoku versions
“Classic”,small 6X6”Mini”,”Diagonal”,”Jigsaw”and”Mixed”. Of course you can play it on or off line.

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You can play extensive variety (variant) Sudoku problems! All problems are high quality.
- Classic (9x9)
- Mini (6x6)
- Diagonal
- Jigsaw
- Mixed (Diagonal & Jigsaw)

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Great features.
- Auto save.
- Continuous input numbers/pencil marks.
- Double tap to highlight same numbers.
- Auto delete pencil marks, when you input number.
- Undo & Redo.
- Checking conflicts numbers.
- Beautiful sound effects.
- Also, you can play game with your favorite musics.

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Difficulty
- First step
- Second step
- Beginner
- Easy
- Normal (Medium)
- Advanced
- Super Advanced
- Incredible