Apps Like Triangle Sum for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


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.


Triangle Merge:Happy Game
光浩 李
Merge triangles, clear levels, level up
Merge triangular blocks with matching numbers to create larger shapes. Clear rows by combining pieces for points. Adjust block positions to avoid stacking. Track high scores and compete with others. Unlock new levels and themes.

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.


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.


Block! Triangle puzzle:Tangram
BitMango, Inc.
Arrange triangles to fill shapes and designs
Arrange geometric blocks made of triangles to fill shapes and designs. Drag pieces onto the board without rotating them. Solve over 2000 unique puzzles. Play offline without time limits. Track progress through various levels.





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.


Sudoku No Ads
Faraj Ebrahimi
Play and solve puzzles
Play by filling a 9x9 grid with numbers 1-9 without repeating in rows, columns, or 3x3 blocks. Choose from six difficulty levels. Track progress and restart puzzles. Share completed grids via social media.

Number Sums - Numbers Game
Easybrain Ltd
Solve puzzles and track
Solve puzzles by circling correct and erasing others. Complete rows, columns, and colored regions to match given . Track progress and replay puzzles for continued practice.

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.


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