Sudoku - Daily Number Puzzle
Killer, Classic & Brain Games
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Sudoku Spark brings the world's favorite number puzzle to life in a clean, fast, beautifully designed app you can play anywhere — at home, on the train, or fully offline with no Wi-Fi. Whether you have never filled a grid before or you hunt down the toughest puzzles for fun, the perfect challenge is waiting for you.
LEARN SUDOKU THE EASY WAY
New to the game? Learn Sudoku step by step. A built-in tutorial and smart hints teach you how to play, explain every rule, and reveal the techniques that turn beginners into confident solvers — naked singles, hidden pairs, pointing pairs and more. Easy Sudoku puzzles are perfect for relaxing, building confidence and learning at your own pace.
A DIFFICULTY FOR EVERY PLAYER
Pick from six carefully balanced levels:
• Easy Sudoku — gentle, relaxing grids for beginners and casual play
• Medium — a satisfying everyday brain teaser
• Hard Sudoku — sharpen your logic and your speed
• Expert — demanding puzzles that reward real strategy
• Extreme Sudoku — only the most fiendish grids, for the bravest minds
• Master — Sudoku for pro players who want the ultimate test
Every puzzle is hand-checked to guarantee one unique solution — no guessing, ever.
FEATURES YOU'LL LOVE
• Thousands of Sudoku puzzles, with new ones added regularly
• Daily Challenge with a collectible calendar of trophies
• Smart hints when you get stuck — learn as you play
• Auto-notes (pencil marks) so you can plan moves like a pro
• Mistake-limit mode or relaxed unlimited mode — you choose
• Highlight duplicates, undo, erase and lightning-fast number input
• Detailed statistics: best times, win streaks and progress
• Beautiful light and dark themes and a distraction- board
• Play 100% offline — no internet required, ever
GREAT FOR YOUR BRAIN
Sudoku is a fun, relaxing way to train concentration, memory and logical thinking. A few puzzles a day keep your mind sharp — whether you are a student, a busy professional, or simply love numbers. From easy Sudoku for a calm coffee break to extreme Sudoku for a serious workout, Sudoku Spark grows with you.
Download Sudoku Spark and start solving today — from your very first easy grid to expert and extreme puzzles built for pro players!
Privacy Policy: https://www.vertexstudios.online/privacy/sudoku-master
Terms of Use: https://www.vertexstudios.online/terms/sudoku-master
Ratings & Reviews
Brain Power on Home
See your weekly training score at a glance, level up as you solve, and tap through for the full weekly report.
Your progress is safe
Leave mid-puzzle or close the app — your game saves automatically and is waiting when you come back.
New monthly plan with a 7-day free trial
Plus a plans screen fully translated into every language we support.
Polish and fixes throughout.
The developer, VERTEX STUDIOS LTD, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- VERTEX STUDIOS LTD
- Size
- 17.1 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 12 more
- English, Arabic, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Turkish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Unlimited Lifetime Access $39.99
- Yearly Subscription $19.99
- Monthly Subscription $5.99
- Weekly Subscription $2.99
- Copyright
- © Copyright (c) 2026 Vertex Studios Ltd