数独’ [iPhone]

Complete books full of sudokus of varying difficulties with unique solutions. Do sudokus in any order and switch between sudokus of different books at any time. Easily resume paused games where you left off, take notes, and use hints. And enjoy many more features you won't find in any other app.

KEY FEATURES
+ Complete sudoku books from gentle to diabolic (books are being added regularly)
+ Turn on focus mode to enjoy sudokus without distraction
+ Draw numbers with Apple Pencil and your finger (optional)
+ Solve sudokus in any order
+ Solve sudokus partially and finish them later
+ Add notes (possible numbers) to empty squares
+ Auto-disable completed numbers
+ Auto-delete notes that are no longer needed
+ Use hints for unknown squares
+ Auto-solve sudokus
+ Restart sudokus
+ Highlight duplicate numbers (can be turned off)
+ Highlight row and column (can be turned off)
+ Highlight block (can be turned off)
+ Show play time (can be hidden)
+ Show game score (can be hidden)
+ Add morning and evening reminders
+ Analyze your stats and see your improvements
+ Select your favorite color theme

BEAUTIFUL SUDOKU BOOKS, BEAUTIFUL SUDOKUS
Solve sudokus of varying difficulty: gentle, medium, hard, evil and diabolic. Each book contains 100+ beautiful sudokus with unique solutions!

YOUR FINGER, YOUR PENCIL
Draw numbers with Apple Pencil, Apple Pencil 2 and even with your finger!

YOUR GAME, IN YOUR COLOR
Choose your favorite color theme to match your unique taste!

HAPPY BATTERY, HAPPY LIFE
Play with minimal energy consumption and ensure a long battery life!

PLAY ANYWHERE, ANYTIME
Play everywhere without internet connection: on the train, in the subway or in the dessert!

FUNCTIONAL AND BEAUTIFUL
Enjoy a well organized and beautiful user interface that makes you want to play each and every day!