NineGaps app icon

Apps Like NineGaps for iPhone and iPad

Place numbers match operations puzzle

The app presents a math puzzle game where players place numbers 1 through 9 into gaps. It matches operations within the puzzle and offers five difficulty levels with unlimited puzzles.

by Quadion Technologies LLC★ 4.010 ratingsGamesFreeData updated 2026-09-11

NineGaps screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Woodoku - Wood Block Puzzles app icon

    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 .

    ★ 4.7640,171 ratingsGamesFreeData updated 2026-09-06
  2. Number Crunch: Match Game app icon

    Number Crunch: Match Game

    NewPubCo, Inc

    Numbers, score points, challenge yourself

    Play a puzzle by matching pairs of numbers to clear the field. Improve math skills and logical thinking. Track progress and compete with others. Share high scores and achievements.

    ★ 4.745,033 ratingsGamesFreeData updated 2026-09-06
  3. Block Puzzle Games - Sudoku app icon

    Block Puzzle Games - Sudoku

    HayGrazer Limited

    Play blocks, solve puzzles, clear grids

    Play a game that combines puzzles and . Drag blocks onto the board to clear rows, columns, and 3x3 squares. Solve puzzles by matching numbers and shapes. Track progress and compete with others.

    ★ 4.0191 ratingsGamesFreeData updated 2026-09-06
  1. Block Puzzle - Brain Test Game app icon

    Block Puzzle - Brain Test Game

    Doodle Mobile Limited

    Clear lines, drop blocks, stay cool

    Drop blocks to form complete vertical or horizontal lines. Clear lines to remove them and keep the board empty. Play without time limits or pressure. Features stunning visuals, an engaging soundtrack, and challenging gameplay.

    ★ 4.71,087,773 ratingsGamesFreeData updated 2026-09-06
  2. Hexa Away app icon

    Hexa Away

    GOODROID,Inc.

    Move pieces and solve puzzles

    Move pieces by tapping to remove them from the board. Use special mechanics to solve puzzles. Progress through increasingly complex stages requiring strategic thinking and precise moves.

    ★ 4.6269,035 ratingsGamesFreeData updated 2026-09-06
  3. KenKen Classic app icon

    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.

    ★ 4.63,176 ratingsGamesFreeData updated 2026-09-08
  4. Block Puzzle - Sudoku Style app icon

    Block Puzzle - Sudoku Style

    Staple Games, LLC

    Clear blocks to earn combos and streaks

    Play a by placing pieces into a 9x9 grid. Clear lines or 3x3 boxes to remove blocks and earn points. Extend combos and streaks for higher scores. Continue until no more moves are possible.

    ★ 4.8105,880 ratingsGamesFreeData updated 2026-09-06
  5. Puzzle IO - Binary Sudoku app icon

    Puzzle IO - Binary Sudoku

    Jonathan Lepage

    Fill grids with 0s and 1s

    Play logic puzzles by filling 10x10 grids with 0s and 1s. Ensure each row and column has equal numbers of 0s and 1s. Avoid three identical numbers in a row. Earn points by solving grids efficiently. Use time-based multipliers for higher scores.

    ★ 4.6362 ratingsGamesFreeData updated 2026-09-11
  6. Sudoku ∙ Classic Sudoku Games app icon

    Sudoku ∙ Classic Sudoku Games

    nerByte GmbH

    Play puzzles and train your brain

    Play puzzles with adjustable difficulty levels. Enter numbers manually or use pencil marks. Track progress across multiple . Receive hints when stuck. Switch between different puzzle themes. Share completed puzzles with friends.

    ★ 4.719,845 ratingsGamesFreeData updated 2026-09-06
  7. Hexologic - Sudoku Puzzle Game app icon

    Hexologic - Sudoku Puzzle Game

    MYTHICOWL SP Z O O

    Solve puzzles, listen to music, explore grids

    Solve puzzles using hexagonal grids. Arrange dots to complete patterns. Adjust difficulty levels. Track progress through in- achievements. Enjoy ambient music and visual themes. Share scores with friends.

    ★ 4.7992 ratingsGames$2.99Data updated 2026-09-06
  8. Bubble Tower 3D! app icon

    Bubble Tower 3D!

    Voodoo

    Pop bubbles, shoot targets, relax

    Play a 3D pop game by tapping and shooting to clear bubbles. Rotate the screen to aim and smash all balls. Match colors to progress through levels and train your brain with puzzle challenges.

    ★ 4.721,563 ratingsGamesFreeData updated 2026-09-06
  9. Tetra Block - Puzzle Game app icon

    Tetra Block - Puzzle Game

    MobilityWare

    Drag blocks, solve puzzles, challenge yourself

    Play with drag-and-drop blocks. Match rows, columns, or 3x3 squares of 9 to collect star blocks in challenge mode. Earn points in high score mode. Track progress and compete with others.

    ★ 4.614,395 ratingsGamesFreeData updated 2026-09-06
  10. Seat Jam 3D app icon

    Seat Jam 3D

    FOMO OYUN YAZILIM VE PAZARLAMA ANONIM SIRKETI

    Passengers to the right seats

    Play a puzzle board game where players must passengers correctly before they become frustrated. Move and rotate seats to match destinations. Complete levels by satisfying all passengers within time limits. Track progress through multiple challenges.

    ★ 4.826,891 ratingsGamesFreeData updated 2026-09-06
  11. Picture Cross - Logic Puzzles app icon

    Picture Cross - Logic Puzzles

    Infinitous Limited

    Solve and reveal images

    Solve pixel art using numbered hints to determine filled and blank pixels. Reveal images by logically deducing correct cells. Play hundreds of with increasing difficulty. Track progress and complete challenges. Share completed artwork with others.

    ★ 4.4763 ratingsGamesFreeData updated 2026-09-06
  12. Block Puzzle - Puzzle Games * app icon

    Block Puzzle - Puzzle Games *

    Guru Smart Holding Limited

    Play, match, and clear blocks

    Play to clear lines and squares by matching blocks. Solve puzzles that combine elements of sudoku and stacking. Track progress and compete with other players. Share achievements on social media.

    ★ 4.917,947 ratingsGamesFreeData updated 2026-09-06
  13. Find the Number!‐brain game app icon

    Find the Number!‐brain game

    JAYKEI GAMES LLC

    Numbers, tap to match

    The target number among colorful digits. Tap quickly to beat the timer. Track progress and set daily challenges. Improve focus and mental agility through simple, timed puzzles.

    ★ 4.61,876 ratingsGamesFreeData updated 2026-09-06
  14. 101-in-1 Games ! app icon

    101-in-1 Games !

    Nordcurrent UAB

    Play 145 in one

    Play a variety of including puzzles, arcade action, racing, sports, cooking, shooting, and sudoku. Access 145 in one . Support multiple languages including English, French, German, Italian, Spanish, Russian, Chinese, and Japanese.

    ★ 4.421,529 ratingsGamesFreeData updated 2026-09-06
  15. Connect Balls 3D – IQ Games app icon

    Connect Balls 3D – IQ Games

    FLYFOX PTE. LTD.

    Link with colored lines

    Play a brain-training game where players same-colored with lines without crossing different colors. Complete all connections to win. Save eye strain with customizable themes and backgrounds. Access over 10,000 levels for varied challenges.

    ★ 4.82,475 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

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