This app allows you to input numbers from a physical Sudoku puzzle and verifies its validity. It identifies single solutions, multiple solutions, or contradictions. The app displays your input in black and derived numbers in gray.
1.3.3
March 31, 2022
Version 1.3.3 has the following modifications to 1.3.2. ・ The recognition sensitivity of the Sudoku technique called XY-Wing is increased. ・ The recognition sensitivity of the Sudoku technique called XYZ-Wing is increased. ・ We are increasing the recognition sensitivity of the Sudoku technique called the Hidden Triple. ・ We are increasing the recognition sensitivity of the Sudoku technique called skyscraper. ・ The recognition sensitivity of the Sudoku technique called swordfish is increased. Version 1.3.2 fixes the following bugs in 1.3.1. -Sometimes I couldn't recognize the Sudoku technique called X-Wing. -The X-Wing level and the Hidden Triples level are displayed in the difficulty nest display dialog. Version 1.3.1 fixes the following bugs in 1.3.0. -Sometimes it freezes while entering numerical values. Version 1.3.x has revised the calculation logic of the difficulty level. Previously (up to Version 1.2.x), the difficulty level was high when the number of hints was small, or the difficulty level was less than 300 even though advanced techniques were required. Therefore, the calculation logic is revised. The basic functions are the same as before. You can also call the calculation result of the past calculation logics.
MoreYou manually enter the numbers from your hand-written Sudoku grid into the app. The app then analyzes your input to determine if it leads to a valid solution, multiple solutions, or a contradiction.
After you input your numbers and touch the 'Verify' button, Sudoku Checker will display results in three dialogs: indicating if only one solution can be derived, if there are multiple solutions, or if a contradiction occurs.
Currently, Sudoku Checker does not have the ability to load your number places from a camera or capture them from photos. You need to manually input the numbers.
Sudoku Checker is available for iPhone, iPad, and iPod devices.
Sudoku Checker has an age rating of 4+.
The latest version, 1.3.3, was released on March 31, 2022. Updates are not frequent, with the last update being over a year ago.
Sudoku Checker has a rating of 4.0 stars based on 3 ratings.
Yes, Sudoku Checker displays an ad at the bottom of the screen.
