Was 5 star, now 1 star – Sudoku ~ Classic Puzzle Game Review

I have enjoyed this great app for years. However, when it updated to the latest version under IOS 10 a few weeks ago, the performance became unusable. Touching a cell usually doesn't register for 10 to 15 seconds. I tried deleting and re-downloading the app. No improvement. All other apps on my iPad are fine.
Review by Dpmical on Sudoku ~ Classic Puzzle Game.