Best Sudoku Apps for iPhone in 2026
Finding the right Sudoku app can feel overwhelming. The App Store has hundreds of options, and they range from clean and focused to cluttered with ads and upsells. This guide cuts through the noise.
What Makes a Great Sudoku App
Before we dive in, here is what matters:
- Clean interface - You want to focus on the puzzle, not fighting the UI
- No ads - Interruptions break your flow and ruin the calming effect
- Difficulty variety - Easy to Expert, with smooth progression
- Helpful features - Hints, notes, undo - without feeling like hand-holding
- Consistency - Daily puzzles, streaks, and progress tracking
Our Top Picks
Sudoku a Day
Best for: Daily habit builders who want a calm, ad-free experience
Sudoku a Day delivers one fresh puzzle each morning with a minimalist interface. No ads, no distractions, no pressure. The daily cadence encourages a relaxing routine rather than frantic puzzle-chasing.
- Difficulty levels: Easy to Master
- Daily puzzle included
- Hint system and error tolerance
- Dark mode support
- Pro unlocks unlimited puzzles and extra hints
Microsoft Sudoku
Best for: Those who want variety and cloud sync
Microsofts offering includes multiple game modes beyond classic Sudoku, including irregular grids and pencil marks. Solid free option, though ads appear if you do not sign in.
Sudoku.com
Best for: Casual players who want lots of content
A well-known name with thousands of puzzles. The free version includes ads between puzzles. Subscription removes ads and unlocks all difficulty levels.
Andoku 3
Best for: Solvers who want advanced features
A no-frills approach with powerful solving tools. Great for experienced players who want cage highlighting, color coding, and extensive hint systems.
Which Should You Choose?
If you want a calm daily habit with no distractions, Sudoku a Day is the clear winner. If variety and game modes matter more, Microsoft Sudoku or Sudoku.com offer more features. For pure puzzle-solving power, Andoku 3 delivers.
Ready to start your daily practice? Open Sudoku a Day and try today's puzzle.