Sudoku Sync - a free, smooth, and feature-rich Sudoku app for every skill level!

Whether you're just starting out or already a Sudoku master, Sudoku Sync delivers a complete puzzle experience with thousands of boards, a clean interface, and smart assist tools.

KEY FEATURES

• 4 difficulty levels: Easy, Medium, Hard, Expert

• Classic & Basic modes – pick the play style that suits you

• Daily Challenge – a fresh puzzle every day to build your habit

• Events & Adventures – complete stages to earn unique medals

• Monthly Cups – collect achievements throughout the year

• Global Leaderboard – compete with players from around the world

• Detailed Statistics – track time, score, win rate, and progress

• Smart Hints – get help when you're stuck

• Notes Mode – mark candidate numbers in empty cells

• Highlight same numbers & 3×3 regions – easier to spot patterns

• Share Your Results – send Sudoku screenshots to friends

• Progress Sync – continue playing across multiple devices

• Personal Profile – customize your name, avatar, and country

• Sound & Haptic Effects – fully customizable

• Step-by-step Tutorial – perfect for beginners

• Vietnamese & English supported

WHY SUDOKU SYNC?

Sudoku Sync is built to relax your mind while sharpening your logic. There's a new challenge every day, a new medal every month, and a leaderboard to show how far you've come.

Download Sudoku Sync and start your journey to becoming a Sudoku master!

Sudoku Sync is free with light ads. Some features may require an internet connection.