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
If a distraction-free experience is non-negotiable, see our full roundup of the best ad-free sudoku apps for iPhone. Ready to try it? Download Sudoku a Day and start your first puzzle in minutes.
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.
Not sure which is right for you? Our full sudoku app comparison covers pricing, ads, and features side by side — including a dedicated look at the best sudoku apps without ads.
Ready to start your daily practice? Try today's puzzle and see the difference.
Explore more: Download the app · Sudoku strategies · Printable puzzles
FAQ
What is the best sudoku app for iPhone?
Sudoku a Day is our top pick for iPhone. It offers a clean, ad-free experience with a fresh daily puzzle, multiple difficulty levels, and no upsells interrupting your flow.
Are there free sudoku apps for iPhone without ads?
Yes. Sudoku a Day includes a free daily puzzle with no ads at all. Microsoft Sudoku also offers an ad-free experience when you sign in with a Microsoft account.
What features should I look for in a sudoku app for iPhone?
Look for a clean interface, multiple difficulty levels, a hint system, and no intrusive ads. Extras like dark mode, daily puzzles, and streak tracking make the habit easier to maintain.
How much do sudoku apps for iPhone cost?
Most sudoku apps are free to download with optional upgrades. Sudoku a Day Pro is a small yearly fee that removes all limits. Sudoku.com offers a monthly or yearly subscription for its premium tier.