Diophantia app icon

Apps Like Diophantia for iPhone and iPad

by Mohamed Aourid★ 0.00 ratingsEducationFreeData updated 2026-09-06

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. 12 in 3 app icon

    12 in 3

    Frank-Peter Poschmann

    Calculate combinations for number sums

    Calculate possible digit combinations that sum to a target. Specify the number of digits and exclude or require specific numbers. View results and adjust parameters for different scenarios.

    ★ 5.01 ratingsGamesFreeData updated 2026-09-08
  2. 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
  3. Join Numbers app icon

    Join Numbers

    SUPERSONIC STUDIOS LTD

    Collect digits, build towers, battle cards

    Collect digits to form the largest number and earn in-game currency. Use earned money to build tower barracks. Deploy soldiers in a battle card game to fight and progress.

    ★ 4.619,171 ratingsGamesFreeData updated 2026-09-06
  1. Dominos app icon

    Dominos

    Vintolo Ltd

    Play tiles to match ends and score

    Place tiles matching exposed ends of the chain. Draw tiles if no match is available. Score points for multiples of five at exposed ends. Earn additional points for remaining pips in opponent's hand. First to reach a set score wins.

    ★ 4.7163,863 ratingsGamesFreeData updated 2026-09-08
  2. Sudoku· app icon

    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.

    ★ 4.717,305 ratingsGamesFreeData updated 2026-09-09
  3. 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
  4. Kakuro MM app icon

    Kakuro MM

    Magma Mobile

    Solve puzzles with number clues

    Solve puzzles by filling a grid with numbers that add up to given clues. Each row and column must contain unique digits. Complete the grid by ensuring all sums match clues and no duplicates exist in any sum.

    ★ 4.721 ratingsGamesFreeData updated 2026-09-06
  5. Fraction Calculator Plus #1 app icon

    Fraction Calculator Plus #1

    DigitAlchemy LLC

    Calculate fractions, add, subtract, divide, multiply, convert

    Calculate fractions with addition, subtraction, multiplication, and division. Convert fractions to decimals. Adjust recipe quantities for different serving sizes. Review math problems and convert measurements between cups and teaspoons.

    ★ 4.922,272 ratingsProductivityFreeData updated 2026-09-08
  6. 2248 app icon

    2248

    BIGDOG GAMES CO., LIMITED

    Link numbers, slide tiles, score points

    Play a number linking game by sliding numbers in any of eight directions. Connect two same numbers to start a chain. Next numbers can be the same or double the previous. Score is the sum of all linked numbers. Game is free and suitable for all ages.

    ★ 4.82,764 ratingsGamesFreeData updated 2026-09-06
  7. Nonograms Katana app icon

    Nonograms Katana

    Ucdevs Interaction DOO

    Solve puzzles and reveal images

    Solve picture logic puzzles by filling grid cells based on numerical clues. Reveal hidden images through logical deduction. Customize difficulty levels and track progress across multiple puzzles. Share completed puzzles via social media.

    ★ 4.86,752 ratingsGamesFreeData updated 2026-09-10

How we rank alternatives

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