isowords - Word search on a vanishing cube
Magic Sudoku - ARkit - Solve sudoku puzzles like magic with the power of AR
Word Square - Sudoku, but with letters and words.
Pro:Sudoku - Play Sudoku with Apple Pencil on iPad
UsDoku - Play real-time multiplayer Sudoku.
Crane Sudoku - We created Crane Sudoku with the idea that you want to solve puzzles.