isowords - Word search on a vanishing cube
Magic Sudoku - ARkit - Solve sudoku puzzles like magic with the power of AR
SudoKoi - Your next favorite pastime, like Sudoku
UsDoku - Play real-time multiplayer Sudoku.
Pro:Sudoku - Play Sudoku with Apple Pencil on iPad
Sudoku Kings! - Minimalist sudoku experience with competitive leaderboards.