Sudoku 21A app icon

Apps Like Sudoku 21A for iPhone and iPad

by David Barbero Carbonell★ 1.02 ratingsGamesFreeData updated 2026-09-06

Sudoku 21A screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Sudoku ▦ app icon

    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.

    ★ 4.7103,727 ratingsGamesFreeData updated 2026-09-06
  2. Sudoku by Staple Games app icon

    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.

    ★ 4.898,411 ratingsGamesFreeData updated 2026-09-06
  3. Sudoku - Classic Sudoku Games app icon

    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.

    ★ 4.819,306 ratingsGamesFreeData updated 2026-09-06
  4. ▻Sudoku - Classic Brain Game app icon

    ▻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.

    ★ 4.8660,384 ratingsGamesFreeData updated 2026-09-08
  5. Sudoku· Classic Puzzle Games app icon

    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.

    ★ 4.756,574 ratingsGamesFreeData updated 2026-09-06
  6. Sudoku· app icon

    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.

    ★ 4.717,305 ratingsGamesFreeData updated 2026-09-09
  7. Sudoku ∙ Classic Sudoku Games app icon

    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.

    ★ 4.719,845 ratingsGamesFreeData updated 2026-09-06
  8. Sudoku ◆ app icon

    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.

    ★ 4.618,487 ratingsGamesFreeData updated 2026-09-08
  9. Sudoku ⋆⋆ app icon

    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.

    ★ 4.717,977 ratingsGamesFreeData updated 2026-09-11
  10. Puzzle IO - Binary Sudoku app icon

    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.

    ★ 4.6362 ratingsGamesFreeData updated 2026-09-11
  11. Sudoku Puzzle - Brain Games app icon

    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.

    ★ 4.975,450 ratingsGamesFreeData updated 2026-09-06
  12. Sudoku :) app icon

    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.

    ★ 4.759,006 ratingsGamesFreeData updated 2026-09-08
  13. Sudoku: Number Puzzle Game! app icon

    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.

    ★ 4.721,986 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.