Sudoku:Pure

SudokuPure is a clean, fully‑offline Sudoku puzzle app for iPhone and iPad. Generate unlimited unique Sudoku puzzles locally with four difficulty levels: Easy, Medium, Hard, Expert. No internet, no ads, no in‑app purchases, no account login — perfect for playing on planes, trains or anywhere without network. Local infinite Sudoku generator, every puzzle has only one valid solution Smart pencil marks & auto‑candidate number helper Real‑time error highlight, you can turn it off in settings Step‑by‑step offline solving hints to help you think Game timer, best‑record tracking, perfect‑win achievements & calendar streak Light / Dark mode, haptic feedback, clean distraction‑free UI Suitable for beginners and advanced Sudoku lovers. Train your logic brain and enjoy pure puzzle solving experience. All game data stores locally on your device. Support future multi‑language localization.