Official Sudoku on iPhone

from Transactional Web, Inc., originally released 18th June, 2010

Simply the best Sudoku experience on any platform. Whether you are looking for automatic pencil marks, error correction, or intelligent hinting, Official Sudoku's beautifully designed interface allows you to focus on your game without tedious scribbling getting in your way.
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Available for $0.99 on the App Store

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