Killer Sudoku! app icon

Apps Like Killer Sudoku! for iPhone and iPad

Play sudoku and solve outlined regions

Solve sudoku puzzles by filling grids with numbers following sudoku rules and region sum constraints. Enter notes with a dedicated key. Adjust puzzle difficulty and track progress across multiple games.

by Sarah Pierce★ 4.82,015 ratingsGamesFreeData updated 2026-09-08

Killer Sudoku! screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Kakuro Endless app icon

    Kakuro Endless

    John Detloff

    Play puzzles anytime

    Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.

    ★ 4.7433 ratingsGamesFreeData updated 2026-09-06
  1. Killer Sudoku + app icon

    Killer Sudoku +

    James Gibbs

    Play puzzles online

    Solve puzzles by filling 9x9 grids with numbers 1-9. Each row, column, and 3x3 nonet must contain unique numbers. Cages with dashed lines have sums; numbers in cages must be unique. Track progress and complete puzzles.

    ★ 4.8306 ratingsGamesFreeData updated 2026-09-09
  2. Sudoku Solver: Hint or Solve app icon

    Sudoku Solver: Hint or Solve

    Daniel Anderson

    Puzzles and print them

    Allows users to input puzzles via image or keypad. Features include solving entire puzzles or individual numbers, creating and printing puzzles, and erasing last entry by shaking.

    ★ 4.61,836 ratingsUtilitiesFreeData updated 2026-09-08
  3. Killer Sudoku - Puzzle Games app icon

    Killer Sudoku - Puzzle Games

    Guru Smart Holding Limited

    Solve puzzles daily

    Solve puzzles with varying board sizes. Select from dark or color themes. Access daily challenges and casual mode. Track progress and play puzzles of different difficulty levels.

    ★ 4.85,687 ratingsGamesFreeData updated 2026-09-06
  4. Puzzle Page - Daily Games! app icon

    Puzzle Page - Daily Games!

    AppyNation Ltd

    Play puzzles and track progress

    Access puzzles including word, logic, number, and picture types. Play classics like Crossword, Sudoku, Nonogram, Wordsearch, and Codeword. Solve a new five-letter word challenge each day. Use calendar view to browse and play past puzzles.

    ★ 4.673,134 ratingsGamesFreeData updated 2026-09-13
  5. SumSudoku: Killer Sudoku app icon

    SumSudoku: Killer Sudoku

    Conceptis Ltd.

    Play puzzles, solve challenges, track progress

    Solve logic puzzles combining and Kakuro rules. Fill 9x9 grids with numbers 1-9 following rules and sum constraints. Use add/subtract calculations to determine cell values. Track progress and complete puzzles of varying difficulty.

    ★ 4.8808 ratingsGamesFreeData updated 2026-09-13
  6. Sudoku HD! app icon

    Sudoku HD!

    Optime Software LLC

    Play with dual keypad entry

    Play puzzles with high-quality graphics. Use dual keypads for entries and notes. Enable smart notes for automatic note entry and updates. Track progress and solve puzzles on iPad.

    ★ 4.5763 ratingsGamesFreeData updated 2026-09-08
  7. 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.

    ★ 4.81,852,971 ratingsGamesFreeData updated 2026-09-13
  8. 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
  9. 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
  10. 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
  11. ▻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
  12. Paper Sudoku app icon

    Paper Sudoku

    Tobeas Brennan

    Play puzzles, fill notes, solve grids

    Play with pencil and interface. Use Apple Pencil for writing and erasing. Auto-fill notes on demand. Solve puzzles with interactive solver mode. Add pencil marks and highlights. Check for errors with one click.

    ★ 4.91,123 ratingsGamesFreeData updated 2026-09-06
  13. 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
  14. Killer Aid app icon

    Killer Aid

    Trevor Butler

    Solve Sudoku puzzles with hints and validation

    Sudoku solver helps users complete Sudoku puzzles. It calculates minimum combinations for each cage sum and highlights duplicates in red. Users input cell counts and sums via an edit tool with auto-generated options to avoid invalid entries.

    ★ 4.943 ratingsGamesFreeData updated 2026-09-09

How we rank alternatives

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