Sudoku unique solver, rich teaching mode and problem-solving mode to help you solve Sudoku puzzles.
From basic solutions, intermediate solutions to advanced solutions, there are explanations and demonstrations one by one. The detailed tutorials will help you quickly learn the problem-solving skills of Sudoku, and discover the endless fun that Sudoku brings to you during the problem-solving process.
In the problem-solving mode, you can manually enter the problem, take a photo to identify or identify the problem in the screenshot, and guide you to solve the problem step by step. Sudoku can be so simple!
The training mode provides unlimited Sudoku puzzles and guides you to solve them step by step.

[Number of exclusive member subscriptions]
* Several exclusive membership subscriptions are charged monthly or annually depending on the plan
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- Continuous monthly subscription, only ￥7CNY per month, automatically renewed for 1 month after expiration, can be canceled at any time;
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