Sudoku: Classic Puzzle is a perfect example of why the simplest apps are often the best. This version by Beetles Studio focuses entirely on the user experience—there are no flashy distractions, just a clean, fast interface designed for serious solvers. The animations are smooth, and the input methods are intuitive, making it a breeze to fill a grid even at higher speeds.
What I appreciate most is the 'Daily Challenge' and the tiered difficulty levels, which provide a consistent reason to return. The inclusion of unlimited undos and a 'hint' system that actually explains the logic behind the number (rather than just giving it to you) makes it an excellent tool for improving your Sudoku skills. It’s a reliable, high-quality brain-trainer that is perfect for your daily commute or a quiet evening.
Available on: iPhone, iPad, iPod
Version 2.8Tue Nov 18 2025
Bug fixes
Keep your mind active with Sudoku puzzles! Our simple, modern design removes the distractions helping you think clearly. Try it today!
The objective is simple: fill the 9×9 grid with digits so that each column, row, and 3×3 sub-grids contain each digit from 1 to 9.
Sudoku features:
- Daily Challenge
- Four levels (easy, medium, hard, and expert)
- Numbers are removed when all 9 instances are placed
- Store Notes to track possible numbers
- Hint (fill in missing number when you are stuck)
- Statistics
Download today for mind-challenging fun.
Requires iOS 13 or later. Compatible with iPhone, iPad, and iPod touch.Keep your mind active with Sudoku puzzles! Our simple, modern design removes the distractions helping you think clearly. Try it today!
The objective is simple: fill the 9×9 grid with digits so that each column, row, and 3×3 sub-grids contain each digit from 1 to 9.
Sudoku features:
- Daily Challenge
- Four levels (easy, medium, hard, and expert)
- Numbers are removed when all 9 instances are placed
- Store Notes to track possible numbers
- Hint (fill in missing number when you are stuck)
- Statistics
Download today for mind-challenging fun.






Sudoku — Classic Puzzle Game is the definitive number game for iOS. Whether you are a beginner or an expert, enjoy a variety of difficulty levels from 'Easy' to 'Expert.' Featuring a clean design and intuitive 'tap-to-place' controls, you can solve puzzles anytime, anywhere. Track your progress with detailed statistics, complete daily challenges to win trophies, and use the 'Note' mode to keep track of possibilities. It’s the perfect way to sharpen your mind and relieve stress.
Thousands of hand-crafted Sudoku levels
Daily challenges and seasonal events
Intelligent hint system that explains logic
Detailed statistics and performance tracking
Use the 'Notes' toggle for every cell you aren't 100% sure about. Once you complete a row or column, the app will automatically highlight the notes that are no longer possible, helping you spot 'Hidden Singles' much faster.
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To win the monthly gold trophy, you must complete the Daily Challenge for at least 25 days out of the month. These puzzles are usually set to 'Hard' difficulty, so save your hints for these sessions!
Yes, Sudoku is fully functional without an internet connection.