Apps Like Sudoku 21A for iPhone and iPad
Sudoku 21A screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Sudoku ▦
Tripledot Studios Limited
Play puzzles anytime
Play puzzles with adjustable difficulty levels. Solve grids using logic and number placement. Track progress and restart puzzles. Share completed games via social media. Sync progress across devices.

Sudoku by Staple Games
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.

Sudoku - Classic Sudoku Games
勇 殷
Play , get hints, track progress
Play with puzzles of varying difficulty levels. Use hints, notes, and auto-check features. Complete puzzles without assistance. Track progress across multiple difficulty settings.


▻Sudoku - Classic Brain Game
PeopleFun CG, LLC
Play Sudoku with leaderboards and points
Sudoku allows users to play puzzles with adjustable difficulty levels. Track scores using a point system based on number values and solving speed. Compete on online leaderboards. Access thousands of free puzzles.

Sudoku· Classic Puzzle Games
Block Puzzle Games Inc.
Play Sudoku puzzles anytime
Solve Sudoku puzzles with adjustable difficulty levels. Track progress and statistics. Access hints and undo moves. Play offline and sync across devices. Share completed puzzles. Customize board appearance.

Sudoku·
Tim O's Studios, LLC
Play Sudoku and solve puzzles
Play Sudoku to challenge your mind with a 9×9 grid. Fill rows, columns, and 3×3 sub-grids with digits 1–9. Choose from easy, medium, hard, or expert levels. Disable numbers after all instances are entered. Use note-taking and hints when needed.

Sudoku ∙ Classic Sudoku Games
nerByte GmbH
Play puzzles and train your brain
Play puzzles with adjustable difficulty levels. Enter numbers manually or use pencil marks. Track progress across multiple . Receive hints when stuck. Switch between different puzzle themes. Share completed puzzles with friends.

Sudoku ◆
Do More Mobile, LLC.
Solve puzzles and track progress
Solve puzzles with classic gameplay and adjustable difficulty levels. Track progress through rankings and attempt to complete puzzles without using hints. Play relaxing or challenging modes to enhance concentration and problem-solving skills.

Sudoku ⋆⋆
HitGrab Inc.
Play , solve puzzles, track progress
Allows users to play classic puzzles with customizable boards. Features include unlimited puzzles, hints, pencil marks, and auto-save. Users can track progress, adjust difficulty, and manage game sessions.

Puzzle IO - Binary Sudoku
Jonathan Lepage
Fill grids with 0s and 1s
Play logic puzzles by filling 10x10 grids with 0s and 1s. Ensure each row and column has equal numbers of 0s and 1s. Avoid three identical numbers in a row. Earn points by solving grids efficiently. Use time-based multipliers for higher scores.


Sudoku Puzzle - Brain Games
Guru Smart Holding Limited
Play puzzles and track progress
Play puzzles with four difficulty levels: Easy, Medium, Difficult, and Expert. Solve daily challenges and track progress. Customize settings and access a variety of puzzles to improve mental agility.

Sudoku :)
Maple Media Apps, LLC
Play anytime, anywhere
Play with four difficulty levels: Easy, Medium, Hard, and Expert. Personalize gameplay with custom settings. Track progress and review completed puzzles. Sync across devices for continued play.


Sudoku: Number Puzzle Game!
WONDERFUL ENTERTAINMENT CO., LTD.
Play puzzles anytime
Solve puzzles with varying difficulty levels. Access 15000+ puzzles, with new ones added weekly. Track progress and restart puzzles. Adjust settings for game speed and hint options.
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