Sudoku Checker1.3.3 - App Store
You'll be able to see results in few seconds.
Publisher 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.
Version History 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. 1.3.3 03/31/2022 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. 1.3.2 01/23/2022 Version 1.3.1 fixes the following bugs in 1.3.0.
-Sometimes it hangs (freezes) while entering numerical values.
In Version1.3, the calculation logic of the difficulty level has been revised.
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 logic. 1.3.1 12/30/2021 In Version1.3, the calculation logic of the difficulty level has been revised.
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 logic. 1.3.0 12/27/2021 Version 1.2.4 makes the following changes to Version 1.2.3.
-Changed to display "advanced technique level" and "complexity index" in the difficulty level display dialog.
-The "Clear" button in the dialog when a contradiction occurs has been eliminated. 1.2.4 10/07/2021 Version 1.2.3 implements the following modifications to Version 1.2.2.
-The re-verification result in the old difficulty calculation formula has been changed to be listed as "for Bigginer".
There is no change in the difficulty calculation logic. 1.2.3 06/14/2021 Version 1.2.2 implements the following modifications to Version 1.2.1.
-Supports iOS 14 advertisement display. 1.2.2 02/24/2021 Version 1.1 adds the following features:
-The advertisement display has been revised to support iOS14.
-Fixed the problem that the background color disappears when initializing in diagonal mode. 1.2.1 01/15/2021 There are a few minor bugs in the decision logic that are fixed.
At the same time, we are reviewing the “Difficulty level judgment logic”
By selecting “Revalidate with old difficulty formula” in the difficulty level display dialog, you can see the old difficulty level. 1.2 09/17/2019 The installation target version has been extended to iOS 9.
The size of the input character is increased, and the character derived by it is reduced.
When there are multiple solutions, the [Verify] function makes it easy to see the relevant places and possible numbers. 1.1 05/28/2019 1.0 05/01/2019
About Sudoku Checker
The company that develops Sudoku Checker is Atsuo Kazama. The latest version released by its developer is 1.3.3.
To install Sudoku Checker on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Sudoku Checker as malware if the download link is broken.
How to install Sudoku Checker on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Sudoku Checker is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Sudoku Checker is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.3.3
posted on 2026-10-13
Version History 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. 1.3.3 03/31/2022 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. 1.3.2 01/23/2022 Version 1.3.1 fixes the following bugs in 1.3.0.
-Sometimes it hangs (freezes) while entering numerical values.
In Version1.3, the calculation logic of the difficulty level has been revised.
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 logic. 1.3.1 12/30/2021 In Version1.3, the calculation logic of the difficulty level has been revised.
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 logic. 1.3.0 12/27/2021 Version 1.2.4 makes the following changes to Version 1.2.3.
-Changed to display "advanced technique level" and "complexity index" in the difficulty level display dialog.
-The "Clear" button in the dialog when a contradiction occurs has been eliminated. 1.2.4 10/07/2021 Version 1.2.3 implements the following modifications to Version 1.2.2.
-The re-verification result in the old difficulty calculation formula has been changed to be listed as "for Bigginer".
There is no change in the difficulty calculation logic. 1.2.3 06/14/2021 Version 1.2.2 implements the following modifications to Version 1.2.1.
-Supports iOS 14 advertisement display. 1.2.2 02/24/2021 Version 1.1 adds the following features:
-The advertisement display has been revised to support iOS14.
-Fixed the problem that the background color disappears when initializing in diagonal mode. 1.2.1 01/15/2021 There are a few minor bugs in the decision logic that are fixed.
At the same time, we are reviewing the “Difficulty level judgment logic”
By selecting “Revalidate with old difficulty formula” in the difficulty level display dialog, you can see the old difficulty level. 1.2 09/17/2019 The installation target version has been extended to iOS 9.
The size of the input character is increased, and the character derived by it is reduced.
When there are multiple solutions, the [Verify] function makes it easy to see the relevant places and possible numbers. 1.1 05/28/2019 1.0 05/01/2019
version 1.3.3
posted on 2022-03-31
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.
version 1.3.3
posted on 2022-03-31
Mar 31, 2022
Version 1.3.3
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.
Disclaimer
Official App Store Link
We do not host Sudoku Checker on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
The App Store link for Sudoku Checker is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.



