Apps Like Opdoku = Calcudoku + Mathdoku for iPhone and iPad
Opdoku = Calcudoku + Mathdoku screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


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.



Woodoku - Wood Block Puzzles
Tripledot Studios Limited
Place blocks, solve , clear grids
Play a logic puzzle game by placing blocks on a 9x9 grid. Fill rows, columns, or squares to clear the board. Drag pieces to the grid and avoid running out of space. Track high scores and challenge yourself with addictive brain training .

NYT Games: Wordle & Crossword
The New York Times Company
Play puzzles daily and track your progress
Solve daily word, logic, and number puzzles. Play PIPS with domino placement puzzles. Complete THE with increasing difficulty. Play with daily 5-letter word guessing. Track progress and revisit previous puzzles.

AFK Sudoku
C Loep
Play puzzles anytime
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.


Fill one-line puzzle game
GAMINCAT, INC.
Play puzzles to train your brain
Play a that challenges your problem-solving skills. Connect blocks with a single line to complete puzzles. Access free hints for difficult levels. Choose from four difficulty settings.

Crane Sudoku - Puzzle game
瑞锋 于
Play puzzles online
Play by filling a 9x9 grid with numbers 1-9. Ensure each row, column, and 3x3 section contains unique digits. Choose difficulty levels and track progress across multiple games.

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.

Math Crossword — Number Puzzle
Tripledot Studios Limited
Solve clues in a grid
Solve problems to fill a grid. Enter equations as answers. Adjust difficulty levels. Track progress across multiple puzzles. Share completed grids with others.


Logic Puzzles - Clue Game
Easybrain Ltd
Solve and unlock stories
Solve cross with themed stories. Deduce answers using grids and clues. Track progress through multiple difficulty levels. Share solutions with friends. Unlock new cases and characters.

Mathdoku+ Sudoku Style Math & Logic Puzzle Game
TPG TECNOLOGIA DA INFORMACAO LTDA
Play puzzles and solve equations
Play Mathdoku+ to solve and puzzles. Choose from 3x3 to 9x9 grids. Use check and hint features for assistance. Track progress through multiple difficulty levels. Develop reasoning, , and skills.

KenKen Classic
KenKen Puzzle, LLC
Play puzzles and solve challenges
Solve puzzles with varying grid sizes and difficulty levels. Input numbers to fill grids without repeating in rows or columns. Use arithmetic operations to complete puzzle sections. Track progress and restart puzzles.

Sudoku - Number Brain Games
Doodle Mobile Limited
Play and solve puzzles
Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or boxes. Solve daily puzzles with varying difficulty levels. Track progress and complete challenges to improve logic and problem-solving skills.

Math Cross Master
Kiwi Fun HK Limited
Solve puzzles and track progress
Solve problems ranging from basic arithmetic to complex equations. Progress through multiple difficulty levels. Track progress and improve problem-solving skills.

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.

Cross Number - Math Puzzle
Doodle Mobile Limited
Solve puzzles, track your score
Solve - puzzles by filling grids with numbers that match horizontal and vertical equations. Adjust difficulty levels and track progress. Share completed puzzles with friends.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.