Sudoku Smart — Brain Trainer

Contains adsIn-app purchases
1K+
Downloads
Content rating
Everyone
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About this game

Train your brain with Sudoku Smart — a clean and modern Sudoku game for beginners, daily players, and puzzle pros. Play classic Sudoku in 4x4, 9x9, and giant 16x16 boards, solve daily challenges, track stats, and enjoy a distraction-free offline experience.

🧠 Play Sudoku Your Way
• Quick 4x4 puzzles for beginners
• Classic 9x9 for everyday Sudoku players
• Giant 16x16 for real logic masters
• Every puzzle is valid, logical, and fully solvable

📅 Daily Challenge & Streaks
• A new Sudoku puzzle every day
• Calendar view to track activity and streaks
• Improve your skills one day at a time

💡 Smart Hints & Tools
• Smart hint highlights the correct cell when needed
• Notes (pencil marks) for advanced play
• Auto-remove notes for filled numbers
• Undo anytime to learn without stress
• Optional mistake highlight to avoid errors

🎨 Clean & Focused Design
• Minimal, distraction-free interface
• Light & Dark mode for comfortable play
• Dynamic colors on Android 12+ (adapts to wallpaper)
• Gentle haptic feedback for satisfying gameplay

📊 Track Your Progress
• Best times for each difficulty
• Mistakes, completion stats, and history
• Separate stats for 4x4, 9x9 & 16x16 boards

📌 Built for Every Player
• Free to play Sudoku
• Autosave ensures your progress is never lost

Download Sudoku Smart and enjoy a calm, focused, and rewarding brain workout — perfect for daily practice, logical thinking, and relaxing anytime.
Updated on
Feb 7, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App info and performance, and Device or other IDs
This app may collect these data types
Location, App activity and 2 others
Data is encrypted in transit
Data can’t be deleted

What’s new

🚀 What's New

🔥 New Expert Level Ready for a real challenge? Test your skills with our toughest difficulty yet!

💡 Smart Hints Don't just get the answer, learn the strategy! Our new hints explain why a move works.

✨ Improved Experience

Smoother Gameplay: Faster load times and fluid animations.
Polished UI: A cleaner, more premium look for all screens.
Stability: Fixes for game saves and general performance.

Enjoying Sudoku Smart? Rate us 5 stars! ⭐