This app was removed from the App Store.
Pure Sudoku .
iOS Universal Games
Simple, beautiful, and wonderfully intuitive: Pure Sudoku has the highest quality puzzles in 6 difficulty levels. Each puzzle is extensively tested for quality. You will never find a better sudoku app in the App Store :)
• Performance improvements
• Thank you for all your feedback as we continue to improve this app!
• Now fully iOS 10 compatible