The iPad is a perfect device for Sudoku puzzles. The size, touch screen interface, and ability to quickly download new puzzles on the go make it ideal for the methodical completion of these brain-busting puzzles. But not all Sudoku apps are created equal. Some are mere attempts to cash in on the craze while others are bare bones with almost no training or tutorial options. That's why Sudoku Joy is such an impressive app. Providing a plethora of options, puzzles, and training materials, it is one of the better Sudoku experiences for the iPad on the App Store.
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