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.
Killer Sudoku! screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.



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.

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.

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.

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.

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.

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.

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.

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.

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.

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 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 - 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.

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.

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.


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.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.