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 221–240 of 1,000 ranked alternatives.

  1. 5 Clues 1 Word app icon

    5 Clues 1 Word

    Naeun Zang

    Guess the word from clues.

    The app presents puzzles with five word clues that are synonyms, expressions, or associations. Users guess the word related to the clues.

    ★ 4.583 ratingsGamesFreeData updated 2026-11-02
  2. Sudoku - game brain training app icon

    Sudoku - game brain training

    An Banh

    Play anywhere, anytime

    Play with adjustable difficulty levels. Solve puzzles manually or use hints. Track progress and reset puzzles. Share completed games via social media. Sync across devices for continued play.

    ★ 5.0119 ratingsGamesFreeData updated 2026-09-13
  1. Sudoku Zen - Number Puzzle app icon

    Sudoku Zen - Number Puzzle

    Md. Mahmud Ahsan

    Classic number puzzle for every level.

    The app offers a classic number puzzle with multiple difficulty levels. It includes daily challenges, instant error detection, and game statistics for a focused logic experience.

    ★ 4.817 ratingsGamesFreeData updated 2026-10-04
  2. Sudoku Game Unlimited app icon

    Sudoku Game Unlimited

    John Rouda

    Play and solve puzzles

    Solve puzzles with varying difficulty levels. Input numbers, check for errors, and complete grids. Track progress and access new puzzles daily. Share scores with friends.

    ★ 4.541 ratingsGamesFreeData updated 2026-09-08
  3. Invert - Tile Flipping Puzzles app icon

    Invert - Tile Flipping Puzzles

    Noodlecake Studios Inc

    Flip tiles, solve , win games

    Flip tiles in a grid to match colors using button presses. Solve in minimal moves. Track progress and compare scores. Share achievements with friends. Customizable difficulty levels.

    ★ 4.744 ratingsGames$2.99Data updated 2026-09-12
  4. Merge Battle app icon

    Merge Battle

    Hung Dang

    Weapons to defeat monsters

    Weapons by tapping to create stronger ones and defeat monsters. Save the world by upgrading your arsenal. Track progress and unlock new weapons through continuous merging.

    ★ 4.4118 ratingsGamesFreeData updated 2026-09-13
  5. Crossgrams app icon

    Crossgrams

    Nevercenter Ltd. Co.

    Unscramble letters to solve puzzles

    Solve word puzzles by rearranging letters horizontally. Drag letters left or right to form words. Each solved letter provides clues for adjacent words. Puzzles vary in difficulty from simple to complex. Track progress and revisit completed puzzles.

    ★ 5.021 ratingsGamesFreeData updated 2026-09-14
  6. Kodoku: Zen Puzzle app icon

    Kodoku: Zen Puzzle

    BRAINWAVE MC PTE. LTD.

    Solve puzzles and track your progress

    Solve logic puzzles by filling grids to meet row and column targets. Make moves carefully to avoid three mistakes. Track progress through quick levels designed for brain training. Enjoy calm visuals and a peaceful interface.

    ★ 4.871 ratingsGamesFreeData updated 2026-09-06
  7. The Moron Test 2 app icon

    The Moron Test 2

    KOOAPPS INC.

    Play puzzles, laugh, and share scores

    Play puzzles with simple, addictive gameplay. Complete three sections filled with dozens of challenges. Encounter new puzzle types with humorous animations and increasing difficulty. Track progress through each level. Share results with friends.

    ★ 4.383 ratingsGames$0.99Data updated 2026-09-08

How we rank alternatives

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