What's New

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.

App Description

When launched, an empty number place table will appear.
At first everything is "?".
Enter the number of your own number place here.
The entered numbers are displayed in black.
If there are numbers that can be derived from the entered numbers, they will be displayed in gray.
After completing the input, touch the [Verify] button to obtain the results.
・ When only one solution can be derived
・ When there are multiple solutions
・ When contradiction occurs
The results are shown in the three dialogs of.

At the moment, the ability to load your own number places with your camera and to capture from photos is not yet implemented.

Display the ad at the bottom of the screen.

iPhone Screenshots

(click to enlarge)

Sudoku Checker screenshot 1 Sudoku Checker screenshot 2 Sudoku Checker screenshot 3 Sudoku Checker screenshot 4 Sudoku Checker screenshot 5 Sudoku Checker screenshot 6

iPad Screenshots

(click to enlarge)

Sudoku Checker screenshot 7 Sudoku Checker screenshot 8 Sudoku Checker screenshot 9 Sudoku Checker screenshot 10 Sudoku Checker screenshot 11 Sudoku Checker screenshot 12

App Changes

  • June 16, 2019 Initial release
  • September 24, 2019 New version 1.2
  • August 06, 2021 New version 1.2.3
  • October 04, 2023 New version 1.3.3

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