◆ Classic Logic Puzzle · Native iOS Experience

Focus on every cell,
enjoy pure Sudoku fun

Sudoku is a clean, elegant number puzzle game. With four difficulty levels, smart hints and a notes mode, immerse yourself in logical reasoning anytime, anywhere.

About the Game

Made for those who love to think

Sudoku is a number-logic game loved around the world. On a 9×9 grid, fill every cell with the numbers 1 to 9 so that no number repeats in any row, column, or 3×3 box. Simple rules, endless fun.

Clean, Focused Interface

A distraction-free, thoughtfully designed layout with soft colors keeps your attention right where it belongs — on the board.

Endless Puzzles

Every game is generated on the fly with a guaranteed unique solution. From beginner to expert, there's always a fresh challenge waiting.

Beat Your Best Time

See your time and mistakes after each win and keep pushing to solve faster than before.

How to Play

Easy to learn, hard to master

Helpful tools make it easy for beginners to start, while the demanding Expert level keeps seasoned players hooked.

🍃

Easy

Relaxed & fun
🔥

Medium

A warm-up

Hard

Real reasoning
👑

Expert

Ultimate test

Notes Mode

Mark candidate numbers inside cells, just like on paper, to work through complex deductions.

💡

Smart Hints

Stuck? Get a hint with one tap to reveal the correct next move and keep going.

Undo & Erase

Undo your last move or erase a wrong number anytime — experiment freely, fearlessly.

Mistake Alerts

Get notified the moment a conflicting number is placed, with mistakes clearly tracked.

Live Timer

Race against your own best record — every second is proof of progress.

📴

Play Offline

No connection needed. Enjoy a quiet game on your commute, in flight, or anywhere.

Start your Sudoku journey in 3 steps

Choose a difficulty

Pick the challenge that fits your mood, from Easy all the way to Expert.

Fill in the numbers

Tap a cell and enter a value from the number pad. Use notes and hints to narrow down the possibilities.

Complete the puzzle

Fill the whole grid with no conflicts to win, see your time and stats, then take on a harder one!

About Us

Crafted with care, down to the detail

We believe a good game should be pure.

Sudoku is built by a small team that loves logic games. Tired of apps cluttered with paywalls, we set out to make Sudoku that returns to its essence — clean, focused, and delightful. We hope it becomes your favorite companion on the commute or before bed.

4Difficulty levels
Unique puzzles
FreeTo play

Radically Simple

Every pixel serves the experience. No needless distractions.

Respect for Players

No gimmicks, no forced purchases — just the game itself.

Always Improving

We take every piece of feedback seriously and keep making it better.

Privacy First

Your data belongs to you. We never misuse it.

Ready to get your mind working?

Download Sudoku for free and let logic flow through your fingertips. Pure puzzle fun, anytime, anywhere.

Download Free on the App Store
Contact

Questions or suggestions?

Whether it's a bug report, a feature idea, or you just want to talk Sudoku, we'd love to hear from you.

Drop us an email

We'll reply to every message as soon as we can.

✉ sudoku_service@outlook.com