Stop guessing. Start solving.

Welcome to Sudoku Dojo. We built a logic-based sanctuary designed to take you from beginner to master.

Most generic apps rely on random generation and guesswork. We do it differently. Our puzzles are carefully calibrated using a custom Logic Solver, ensuring that whether you want a quick relaxation session or a rigorous mental workout, you always get the fair challenge you expect.

🎓 The Academy: Learn the Logic
Don't just fill in boxes. Understand the "Why" behind every move.

• Detailed Explanations: Stuck? Our smart engine analyzes the grid and explains the specific logical step required to proceed no guessing, just learning.
• Master Theory: Learn over 60 patterns and techniques. We cover everything from basic Singles to expert techniques like X-Wings, Skyscrapers, and Advanced Chains.
• Visual Learning: See how techniques function with interactive examples directly on the board.

🛡️ Designed for Focus (Minimalist UI)
Sudoku is a game of concentration. We built an interface that respects your attention.

• Clutter-Free Design: Enjoy a modern, minimalist layout where the puzzle takes center stage. No flashy distractions or overwhelming menus.
• Cognitive Clarity: We provide powerful features that stay out of your way until you need them. The UI is designed to help you enter a "flow state" instantly.
• Native Performance: A lightweight app built specifically for Android efficiency. It saves battery life and offers a silky-smooth experience even offline.

🔍 Professional Analysis Tools
Transform your device into the ultimate puzzle companion.

• Custom Puzzles: Found a hard puzzle in a newspaper? Input it into the Dojo. Our solver will rate its difficulty, check for uniqueness, give you a breakdown of the steps and help you solve it.
• Highlighting tools: Apply custom highlighting to cells and candidates to visualize complex patterns and crack the hardest puzzles.
• Smart Automation: Focus on the logic, not the housekeeping. Use optional auto-notes, conflict checking, step validation to speed up your play.

🎮 Play Your Way
• Flexible Controls: Toggle between Cell-First, Digit-First (Sticky), or Swipe Selection modes.
• Track Progress: Monitor your solve times, streaks, and daily activity.
• Accessibility: Fully optimized for Dark Mode and system font scaling.

From simple relaxing puzzles to the hardest logic challenges, Sudoku Dojo is built for those who value quality.

Download today and carry the ultimate Sudoku handbook in your pocket.