Paper Sudoku: Daily Puzzles

Paper Sudoku gives classic Sudoku a quiet place to breathe. Every puzzle is generated offline on your device and verified to have one unique solution. Gameplay requires no account or internet connection; purchasing or restoring the optional Full Version uses Apple's StoreKit connection. Features: - 4×4 and 6×6 boards to learn the rules, always free for everyone - Classic 9×9 in five levels: Beginner, Easy, Medium, Hard, and Expert - Five 9×9 games free, then one optional lifetime unlock for unlimited 9×9 games - One fully offline Daily Challenge - A medal collection that celebrates first wins, streaks, and clean solves - Notes, undo, automatic candidate cleanup, and immediate error feedback - Single-step hints that name the reasoning technique - Automatic saving and reliable pause behavior in the background - Completion totals, unassisted best times, and daily streaks - Adaptive layouts…