Gridwell is a clean, calm Sudoku and Killer Sudoku app with hints that explain the technique, not just the answer. Play a daily puzzle, work through difficulty levels from Easy to Expert, and get better at the logic behind every move.
Classic Sudoku and Killer Sudoku
Teaching hints that name the technique
Daily puzzle
Easy to Expert difficulty
Free to play. Gridwell Premium is a one-time purchase. No subscription, no ads.
How do I restore Gridwell Premium?
Tap Restore Purchases in Settings with the same Apple ID you bought it with.
Does Gridwell need an internet connection?
No. Every puzzle plays offline.
Is my progress backed up?
Progress is stored on your device. Deleting the app removes it.