This app offers a vast collection of Sudoku puzzles with various grid sizes and unique rule sets. It provides solutions, step-by-step explanations, and allows photo input for puzzles. Explore tutorials and a dedicated Sudoku store.
4.10.2
July 5, 2026
Add even sandwich sudoku, diagonal inequality sudoku
$19.99
Quiz Pass 365 days
Current Device Only
你好，肯肯数独里没有运算符号的话，表示可以用 加减乘除 任一运算哦，可参见题型“玩法说明”
v3.9.6 already use device language as app's default language, please upgrade. Sorry, previous app defaults to Chinese. You can switch the language to English on the "About" page (the last tab button at the bottom of the homepage).
K.O. Sudoku supports an extensive range of Sudoku variations, including standard 9x9, irregular, killer, kendoku, skyscrapers, thermo, arrow, and many more. The app boasts over 100 different Sudoku types.
Yes, K.O. Sudoku allows you to input puzzles by taking a photo. This feature makes it convenient to digitize and solve physical Sudoku puzzles you encounter.
K.O. Sudoku offers a 'Help mode' that provides step-by-step explanations for solving puzzles. This is ideal for learning new strategies and understanding complex Sudoku variations.
With its tutorials and step-by-step explanations, K.O. Sudoku is suitable for beginners. The app also offers a 'K.O. mode' to directly provide solutions for those who prefer to see the answer.
K.O. Sudoku has an age rating of 4+, making it appropriate for a wide range of users, including children and adults interested in logic puzzles.
Yes, K.O. Sudoku contains advertisements. Users may encounter ads while using the app.
The latest version of K.O. Sudoku is 4.9.80, last updated on March 31, 2026. This indicates a recent update, suggesting ongoing development and support.
K.O. Sudoku is available on iPhone, iPad, and iPod devices, offering a versatile gaming experience across Apple's mobile ecosystem.
