▻Sudoku Expert : The world's Most Challenging sudoku ever for iPhone ! app for iPhone and iPad

Sudoku Expert is The worlds most Challenging sudoku never before at app store.

95+ Incredible levels with a unique solution and each level designed to get those grey cells charging.

easy and smooth switching interface design for sudoku lovers and expertise.

Sfx sound effects which boost your mind and get addict to play.

After playing this sudoku you may never switch to other one

Sudoku Expert is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid (also called "boxes", "blocks", "regions", or "sub-squares") contains all of the digits from 1 to 9, such that each number appears exactly once in each row,column and region The puzzle setter provides a partially completed grid, which typically has a unique solution.

Sudoku Expert
How to play:

To enter number into a cell, first touch the cell into which you would like to enter the number.
The cursor will move to the cell you have selected.

if you are sure confident upon certain value then use the leftmost keypad to enter the value into the cell.

if you are not much confident or you on guess stage then use the rightmost keypad to enter the value into the cell.

if the number is incorrect,you may erase it selecting the cell and then touch on the number to be erased on the appropriate keypad.