1.10
2019-11-12
Fixed the text color in dark mode for ios13.
1.9
2017-10-14
Updated for iOS11 compatible devices.
1.8
2016-05-27
- Added new 100 Sudoku puzzles. Total 1000 Sudoku puzzles.
1.7
2016-04-30
- Added new 100 Sudoku puzzles. Total 900 Sudoku puzzles.
1.6
2016-04-05
- Added new 100 Sudoku puzzles. Total 800 Sudoku puzzles.
1.5
2016-03-04
- Added new 100 Sudoku puzzles. Total 700 Sudoku puzzles.
1.4
2016-02-09
- Added new 50 Sudoku puzzles. Total 600 Sudoku puzzles.
(Note: No more hint after Question No. 550.)
- Fix minor bugs
1.3
2016-01-09
- Added new 50 Sudoku puzzles. Total 550 Sudoku puzzles.
- Supported SNS posting.
1.2
2015-12-10
- Added new 100 Sudoku puzzles with pure logic that have one correct answer. Total 500 Sudoku puzzles.
- Improved a manual taking note function.
- Fixed some minor bugs.
1.1
2015-07-24
Added new 100 Sudoku puzzles