STutor app icon

Apps Like STutor for iPhone and iPad

Advance Sudoku solving skills now.

The app offers three levels of hints for users solving Sudoku puzzles. It solves puzzles using five strategies in a logical sequence, with details available on help screens.

by Robert Carlson★ 5.01 ratingsGames$0.99Data updated 2026-10-20

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Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

  1. Sudoku by Forsbit app icon

    Sudoku by Forsbit

    Forsbit LLC

    Play and solve puzzles

    Game allows users to play classic 9x9 puzzles. Fill grids with digits 1-9 without repeating in rows, columns, or 3x3 boxes. Choose difficulty levels. Track progress and reset puzzles. Share completed grids.

    ★ 4.7445 ratingsGamesFreeData updated 2026-09-12
  2. Star Battle Go - Logic Puzzles app icon

    Star Battle Go - Logic Puzzles

    Kathryn Aaker

    Solve with simple rules

    Solve placement with 2 rules: each row, column, and region has exactly 2 stars; no stars can touch, including diagonally. Track progress and access from KrazyDad, featured in the New York Times.

    ★ 4.7160 ratingsGamesFreeData updated 2026-09-22
  3. Extreme Difficult Sudoku 2500 app icon

    Extreme Difficult Sudoku 2500

    Ohte, Inc.

    Play puzzles, choose categories, solve challenges

    Solve puzzles in five categories: Normal, Cross, Jigsaw, Cross Jigsaw, and Inequality. Each category contains 500 puzzles. Features include puzzle selection, hint system, and progress tracking. Play all puzzles for free.

    ★ 4.5108 ratingsGamesFreeData updated 2026-09-09
  1. Cool Sudoku & Cool Puzzles app icon

    Cool Sudoku & Cool Puzzles

    Trevor Bond

    Play many puzzles in one.

    The app offers Sudoku, Killer Sudoku, Jigsaw Sudoku, Kakuro, Mini Sudoku, Sudoku X, Hitori, Nurikabe, Futoshiki, and Word Search. It features a story mode with 50 levels and daily competitions with leaderboards.

    ★ 2.241 ratingsGamesFreeData updated 2026-09-10
  2. Block Out: Unblock Tile app icon

    Block Out: Unblock Tile

    Block Puzzle Games Inc.

    Bricks and solve puzzles

    Solve puzzles by unblocking red bricks to progress through levels. Choose from beginner to expert difficulty. Access hints and undo moves. Collect stars to unlock new levels. Play online or offline without internet.

    ★ 4.61,162 ratingsGamesFreeData updated 2026-09-06
  3. Simply, Sudoku! app icon

    Simply, Sudoku!

    the binary family GmbH

    Play Sudoku puzzles anytime

    Play Sudoku with 6 difficulty levels. Solve puzzles with a clean interface and no ads. Track progress and restart games. Adjust settings for sound and visual preferences. Share completed puzzles via social media.

    ★ 4.5101 ratingsGamesFreeData updated 2026-09-08
  4. Sudoku Epic app icon

    Sudoku Epic

    Kristanix AS

    Play , Wordoku, and Killer puzzles

    Play in five different modes: 9x9, 6x6, Wordoku, Killer , and daily challenges. Solve puzzles with numbers or letters. Track progress and set difficulty levels. Share completed puzzles.

    ★ 4.8411 ratingsGamesFreeData updated 2026-09-08
  5. Escape Game: School app icon

    Escape Game: School

    Jammsworks Inc.

    The classroom by finding items and solving

    Explore a classroom setting to find items and solve puzzles to . Tap to search and change viewpoints. Access hints and auto-save progress. After completing, play a hide-and-seek game with cute animals.

    ★ 4.8714 ratingsGamesFreeData updated 2026-09-14
  6. Sudoku classic. app icon

    Sudoku classic.

    Alejandro Castagnolo Martinez

    Play with four difficulty levels

    Play with four difficulty levels and tutorial guidance. Solve puzzles using notes, undo/redo, and auto-note features. Color squares with two colors for advanced strategies. Check for errors manually or automatically.

    ★ 4.7343 ratingsGamesFreeData updated 2026-09-17
  7. Sudoku - Sudoku Classic Puzzle app icon

    Sudoku - Sudoku Classic Puzzle

    Zeeron Studio Pvt. Ltd.

    Play puzzles and track progress

    Allows users to solve number puzzles on a 9x9 grid. Fill cells with numbers 1-9 without repeating in rows, columns, or 3x3 boxes. Features include multiple puzzles, unlimited gameplay, and no ads or in- purchases.

    ★ 4.8280 ratingsGamesFreeData updated 2026-09-06
  8. Troll Naught: Cut Choice app icon

    Troll Naught: Cut Choice

    Vuong Can Quoc

    Solve puzzles by cutting objects

    Solve puzzles by swiping to cut objects that match the scenario. Choose actions to rescue girls, men, or prank people. Progress through levels with logic-based decisions and humorous endings. Track progress and revisit puzzles for different outcomes.

    ★ 4.6683 ratingsGamesFreeData updated 2026-09-06
  9. Sudoku 9x9 Game app icon

    Sudoku 9x9 Game

    ABCOM Information Systems Pvt Ltd

    Compete globally with 5000 puzzles.

    The app offers 5000 computer-generated 9x9 Sudoku puzzles with varying difficulty levels. Users can compete globally by posting their achievements, but the app provides no hints or assistance for solving.

    ★ 3.922 ratingsGamesFreeData updated 2026-10-01
  10. *SUDOKU app icon

    *SUDOKU

    Sarah Pierce

    Play sudoku with guided puzzles and visual

    Learn sudoku with puzzles starting from simple to advanced. Solve puzzles with visual hints and track progress through nine difficulty levels. Access 60 free puzzles and purchase additional ones for more gameplay.

    ★ 4.8112 ratingsGamesFreeData updated 2026-09-08
  11. Color Sudoku app icon

    Color Sudoku

    Red Key Software Corporation

    Sudoku puzzles with multiple color schemes.

    The app offers 1000 unique Sudoku puzzles with four skill levels. It includes features like showing incorrect answers, smart buttons, and smart notes.

    ★ 4.857 ratingsGames$2.99Data updated 2026-09-10

How we rank alternatives

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