Sudoku Master: Logic Trainer

Sudoku Master gives you a way forward when the grid gets tricky. Hints highlight relevant cells and candidates, then explain why the next move works. Choose from Easy to Expert and build your skills at your own pace. Core puzzles are generated on your device and playable offline without an account. WHAT YOU CAN DO • Learn as you solve: see the reasoning behind each hint. • Build a routine: resume unfinished games and review your training history. • Take on Daily Expert: solve a fixed daily puzzle and compare time, moves, and hint usage. Sign-in is required. • Bring paper puzzles into the app: photograph or import a board, review the editable recognition result, then play. Sign-in and your consent are required before images are sent to Alibaba Cloud Model Studio for recognition. Sudoku Pro is an optional one-time purchase for unlimited Expert training and hints, up to 30 successful paper-puzzle recognitions per month, and detailed solving reports. Free users can use up to 5 hints per game and 3 successful recognitions per month. Core Sudoku is playable without a purchase. Restore Purchases is supported. No third-party ads. No cross-app tracking.