Sudoku Blue: Daily & Ad-Free

Sudoku the way it should be - no ads, no tracking, no accounts. Just you and the puzzle. • 1,000 hand-checked puzzles: Easy, Medium, Hard and Expert • A new Daily Challenge every day - the same puzzle for everyone • Learn as you play - a guided first game for beginners • Notes, hints, undo and instant mistake-checking • Beat your best time, earn points, build a daily streak • Full Hebrew (right-to-left), English and Spanish • Plays offline - your progress stays on your device No ads. No tracking. No sign-up. Ever.