KuSoDu - AdFree Premium Sudoku

KuSoDu is a quiet, focused sudoku app built around readable puzzles and useful help.

Play classic sudoku on iPhone or iPad with an interface that adapts to portrait and landscape, from compact phones to large iPad screens. The board stays clear, the keypad stays reachable, and hints are designed to explain the next logical step without hiding the grid.

Features:

• Progressive hints powered by a local logic engine
• 3 free hints per game
• Optional one-time unlock for unlimited hints
• Notes, fast pencil, mistake tracking, and remaining digit counts
• Pause mode that hides the grid and stops the timer
• End screen with time, score, mistakes, and hints used
• General stats, best score, best time, win rate, and recent games
• Auto-solve for the final obvious singles, with no score penalty
• Fully responsive iPhone and iPad layouts
• English, French, Spanish, Korean, Japanese, and Simplified Chinese

No accounts, no noisy menus, no unnecessary clutter. Just sudoku, logic, and a clean board.