数独家

Ad-free Sudoku tutorial, a powerful tool for solving puzzles

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

* 4 membership subscription options to choose from:

- Continuous monthly subscription, only ￥7CNY per month, automatically renewed for 1 month after expiration, can be canceled at any time;

- Monthly membership, purchase one month membership service, only ￥12 CNY per month;

- Quarterly membership, purchase three-month membership service, only ￥25 CNY per quarter;

- Annual membership, purchase one-year membership service, only ￥68 CNY per year;

* Payment: After the user confirms the purchase and pays, it will be credited to the iTunes account

* Cancel renewal: If you need to cancel the renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before the current subscription expires

* Renewal: The Apple iTunes account will be debited within 24 hours before the expiration, and the subscription will be extended for one cycle after the deduction is successful

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* User Agreement: https://sudoku.zerocorphk.com/agreements/agreements.html