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 321–340 of 1,000 ranked alternatives.

  1. Simple Sudoku Game app icon

    Simple Sudoku Game

    Illes Laszlo

    A lifetime of Sudoku puzzles.

    The app offers a vast collection of Sudoku puzzles, providing enough content for a lifetime of play. It includes features such as undo, notes, hints, erase, difficulty modes, color options, statistics, and a timer.

    ★ 5.01 ratingsGamesFreeData updated 2026-09-12
  2. Brain Opt app icon

    Brain Opt

    BRAVO TECHNOLOGY ENTERPRISE LIMITED

    ★ 4.718 ratingsGamesFreeData updated 2026-09-23

How we rank alternatives

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