Sudoku X4U app icon

Apps Like Sudoku X4U for iPhone and iPad

Four Sudoku games in one.

The app offers four Sudoku variations including classic, Jigsaw, and X-Sudoku puzzles. It provides six difficulty levels and an album system for saving puzzles.

by Magnolia Heights Research and Development.★ 4.732 ratingsGamesFreeData updated 2026-09-24

Sudoku X4U screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. 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
  1. Sudoktor app icon

    Sudoktor

    Matthieu Leschemelle

    Solve and understand any Sudoku.

    The app generates and solves Sudoku puzzles. It offers features like pencil mark management, undo/redo, and detailed analysis including candidates and subsets.

    ★ 3.06 ratingsGames$0.99Data updated 2026-10-17
  2. Expert Sudoku Book Stress Free app icon

    Expert Sudoku Book Stress Free

    Boy Howdy Technology LLC

    Play puzzles and track progress

    Solve puzzles with four variations including X , Hyper , and Jigsaw . Choose from 160,000 puzzles across four difficulty levels. Track progress and play without timers.

    ★ 4.81,676 ratingsGamesFreeData updated 2026-09-10
  3. Pure Sudoku: The Logic Game app icon

    Pure Sudoku: The Logic Game

    the binary family GmbH

    Solve puzzles and track progress

    Solve Sudoku puzzles with 6 difficulty levels. Edit numbers, highlight clues, and track progress. Undo moves and check for errors. Sync puzzles across devices.

    ★ 4.71,210 ratingsGamesFreeData updated 2026-09-08
  4. Sudoku.com - Number Games app icon

    Sudoku.com - Number Games

    Easybrain Ltd

    Play sudoku and solve puzzles

    Solve sudoku puzzles with varying difficulty levels. Input numbers manually or use pencil marks. Track progress across multiple . Access hints and undo moves. Share completed puzzles via social media.

    ★ 4.81,868,343 ratingsGamesFreeData updated 2026-10-28
  5. Stress Free Sudoku Game Book! app icon

    Stress Free Sudoku Game Book!

    Boy Howdy Technology LLC

    Play puzzles and track progress

    Play puzzles with multiple difficulty levels. Highlight numbers for easy tracking. Solve without time limits or penalties. Share achievements and compete with friends. Customizable settings for gameplay preferences.

    ★ 4.810,371 ratingsGamesFreeData updated 2026-09-08
  6. ▻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
  7. Sudoku's Round app icon

    Sudoku's Round

    Norman Basham

    Play Sudoku puzzles anytime, anywhere

    Play Sudoku puzzles with adjustable difficulty levels for all skill levels. Customize game settings and choose from various options. Solve puzzles on any screen size with touch-friendly controls. Track progress and adjust game experience preferences.

    ★ 4.9663 ratingsGamesFreeData updated 2026-09-11
  8. 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.

    ★ 4.820,688 ratingsGamesFreeData updated 2026-09-13
  9. Samurai Sudoku app icon

    Samurai Sudoku

    Stanley Lam

    Play in five overlapping grids

    Play with five overlapping 9x9 grids. Solve puzzles following standard rules. Choose from five difficulty levels and various types like Gattai and Butterfly. Use the Hint feature to auto-fill the board with non-conflicting numbers.

    ★ 4.6380 ratingsGamesFreeData updated 2026-09-08
  10. Sudoku Puzzle World app icon

    Sudoku Puzzle World

    NewsLeap, LLC

    Play Sudoku with stunning visuals

    Play Sudoku with puzzles of varying difficulty: easy, medium, hard, and expert. Solve grids with hints and track progress through game center achievements and leaderboards. Share scores and compete globally. Export puzzles and customize backgrounds.

    ★ 4.819,767 ratingsGamesFreeData updated 2026-09-09
  11. Calcudoku Puzzle app icon

    Calcudoku Puzzle

    Research and Market Insights B.V.

    Play puzzles, challenge friends, track progress

    Solve logic-based puzzles like , Mathdoku, and Kenken. Play unlimited puzzles without ads or subscriptions. Compete with friends via Game Center. Share puzzles and challenge others. All puzzles require logical deduction without guessing.

    ★ 4.941 ratingsGamesFreeData updated 2026-09-06
  12. ⋆Sudoku app icon

    ⋆Sudoku

    Brainium Studios LLC

    Classic Sudoku puzzle game updated.

    The app offers endless Sudoku puzzles with five difficulty levels. Its smart hint system teaches users the logic behind each solution, improving their skills.

    ★ 4.7161,055 ratingsGamesFreeData updated 2026-09-17
  13. 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.

    ★ 4.764,262 ratingsGamesFreeData updated 2026-09-15

How we rank alternatives

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