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 121–140 of 1,000 ranked alternatives.

  1. Math Crossword app icon

    Math Crossword

    Michel Morcos

    Solve equations with number tiles

    Solve -based crosswords by dragging number tiles into grids. Complete equations with balanced rows and columns. Track progress and unlock new puzzles. Share scores with friends.

    ★ 4.9103 ratingsGamesFreeData updated 2026-09-06
  1. Tic Tac Toe 2 player: XO app icon

    Tic Tac Toe 2 player: XO

    Kien Nguyen

    Play XO, challenge friends, win rounds

    Play against another player by marking spaces on a grid. Take turns placing X or O to form a line of three. Win by completing a row, column, or diagonal. Challenge friends in local multiplayer mode. Track game history and replay previous matches.

    ★ 4.5164 ratingsGamesFreeData updated 2026-09-06
  2. Blue 81: Sudoku block puzzle app icon

    Blue 81: Sudoku block puzzle

    Athena FZE

    Play, match, solve puzzles

    Play a game combining tile-matching and mechanics. Drag blocks to fit a 9x9 grid and clear lines or 3x3 squares. Maintain a clean board and maximize your score. Use modern -themed visuals for gameplay.

    ★ 4.840 ratingsGamesFreeData updated 2026-09-21
  3. Guriddo: Stradoku Number Game app icon

    Guriddo: Stradoku Number Game

    Simon Schuster

    Play puzzles, solve grids, track progress

    Solve logic-based puzzles on a 9x9 grid. Fill cells with numbers 1-9 following row, column, and region rules. Complete daily challenges and track progress. Share solutions and view hints when stuck.

    ★ 4.844 ratingsGamesFreeData updated 2026-09-06
  4. Juice Sort Puzzle! app icon

    Juice Sort Puzzle!

    GOODROID,Inc.

    Puzzles, conquer levels, master strategy

    Solve sorting puzzles to progress through levels. Arrange items in correct order to clear each level. Earn rewards for completing challenges and unlocking new puzzles. Track progress and compete with other players.

    ★ 4.6631 ratingsGamesFreeData updated 2026-09-06
  5. Sudoku VIP app icon

    Sudoku VIP

    Marco Gentili

    Play Sudoku with four variants.

    The app offers four Sudoku variants: Classic, Extra, Math, and Mathdoku. It provides infinite grids with random generation and multiple difficulty levels from Beginner to Extreme.

    ★ 3.01 ratingsGamesFreeData updated 2026-11-03
  6. 100² Logic Games-More puzzles app icon

    100² Logic Games-More puzzles

    Andrea Sabbatini

    Play games and solve

    Play -based puzzle games with 10,000 free levels. Solve challenges featuring seasonal themes and garden settings. Adjust difficulty settings and track progress. Access translated rules for multiple languages.

    ★ 4.8231 ratingsGamesFreeData updated 2026-09-18
  7. Turn on the lights! Brain Game app icon

    Turn on the lights! Brain Game

    Gabriel Silviu Stefan

    Play puzzle games and solve challenges

    Play by tapping to rotate puzzle pieces and activate lights. Complete unique levels with progressive, random shuffle, and daily puzzle modes. Challenge yourself to improve mental skills daily.

    ★ 4.788 ratingsGamesFreeData updated 2026-10-01
  8. Kidoku – Kids Sudoku Puzzle app icon

    Kidoku – Kids Sudoku Puzzle

    Chao-Hsin Shih

    Play with animal blocks

    Solve puzzles with 2×2, 4×4, 6×6, and 9×9 grids. Animal Mode uses colorful characters for younger players. Classic Mode offers traditional number puzzles. Track progress and complete puzzles offline without ads.

    ★ 4.6666 ratingsGamesFreeData updated 2026-09-06
  9. Chipdom™ app icon

    Chipdom™

    sun boyang

    Merge numbers, play endless, score higher

    Merge numbers to create higher values and increase your score. Play endlessly to challenge your skills. Track progress and compete with others through leaderboards. Customize game settings and adjust difficulty levels.

    ★ 4.6345 ratingsGamesFreeData updated 2026-09-17
  10. Color 6 app icon

    Color 6

    Aleksandr Filatov

    Compose hexes, match colors, win

    Create hexagonal shapes by grouping same-colored tiles. Tap to combine tiles and form larger hexes. Compete to create the most hexes in each level. Unlock new colors and patterns as you progress. Share high scores with friends.

    ★ 3.1280 ratingsGamesFreeData updated 2026-09-11
  11. Jewels Panda app icon

    Jewels Panda

    Zplay (Beijing) Info. Tech. Co.,Ltd.

    Match to clear missions and unlock stages

    Puzzle game lets users match 3 or more to clear levels. Play without internet restrictions. Features simple rules, unlimited playtime, and lightweight file size. Supports tablet screens and special for added challenge.

    ★ 4.5221 ratingsGamesFreeData updated 2026-09-13

How we rank alternatives

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