Killer Aid app icon

Apps Like Killer Aid for iPhone and iPad

Solve Sudoku puzzles with hints and validation

Sudoku solver helps users complete Sudoku puzzles. It calculates minimum combinations for each cage sum and highlights duplicates in red. Users input cell counts and sums via an edit tool with auto-generated options to avoid invalid entries.

by Trevor Butler★ 4.943 ratingsGamesFreeData updated 2026-09-09

Killer Aid screenshots

Ranked alternatives

Showing 101–120 of 1,000 ranked alternatives.

  1. Fraction Help app icon

    Fraction Help

    Armchair Engineering

    Solve fractions and view steps

    Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.

    ★ 4.4207 ratingsUtilitiesFreeData updated 2026-09-08
  1. Merge Maestro app icon

    Merge Maestro

    DAVID HS TING

    Combine tokens to create new powers

    Combine emoji-based tokens to create unique combinations. Fuse tokens to unlock special powers. Navigate through challenging levels with increasing difficulty. Use strategic combinations to defeat enemies and progress through the game.

    ★ 4.9123 ratingsGamesFreeData updated 2026-09-06
  2. Christmas Mahjong : Match 3 app icon

    Christmas Mahjong : Match 3

    Manh Nguyen Huu

    Tiles, blast combos, level up

    3D items by tapping tiles to collect three of the same type and clear them. Complete levels by clearing all tiles before the box fills. Use tools to assist in solving puzzles. Track progress through diverse and cute 3D combinations.

    ★ 4.7431 ratingsGamesFreeData updated 2026-09-06
  3. Escape Game - The Psycho Room app icon

    Escape Game - The Psycho Room

    Mina Imachi

    Solve puzzles and rooms

    Solve puzzles to 11 themed rooms. Interact with objects by tapping the screen. Select items to use in solving puzzles. Auto-save progress. Features realistic graphics and ambient sound effects. No in- purchases.

    ★ 4.6288 ratingsGamesFreeData updated 2026-09-06
  4. Paper Brain - Sudoku, puzzles app icon

    Paper Brain - Sudoku, puzzles

    Alexandre Grobost

    Play Sudoku, Takuzu, and Futoshiki

    Solve Sudoku, Takuzu, and Futoshiki . Choose difficulty levels. Track progress and stats. Customize puzzle settings. Share completed . Access anytime without ads.

    ★ 4.665 ratingsGamesFreeData updated 2026-09-06
  5. Magico 3D - Fun Matching Games app icon

    Magico 3D - Fun Matching Games

    Vadim Gladkikh

    Match 3D objects and clear levels

    Match 3D objects in pairs to clear levels. Solve puzzles with funny items, sweets, toys, and emoticons. Play offline with brain-training levels that improve memory and focus. Unlock gifts through gameplay.

    ★ 4.5380 ratingsGamesFreeData updated 2026-09-06
  6. Engage Brain Training app icon

    Engage Brain Training

    AppyNation Ltd

    Solve puzzles daily and track progress

    Solve logic puzzles daily with Sudoku, Nonogram, and Kakuro. Access past puzzles via calendar. Collect themed issue packs. Track progress with achievement breakdowns. Includes new puzzle types regularly.

    ★ 4.7101 ratingsEducationFreeData updated 2026-09-06
  7. quadline app icon

    quadline

    Kovalov Ivan

    Solve puzzles by moving and rotating lines

    Solve puzzles by moving and rotating lines through cells to fit them into specific slots. Use teleportation and other tools to progress.

    ★ 4.865 ratingsGames$1.99Data updated 2026-09-06

How we rank alternatives

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