Decoder app icon

Apps Like Decoder for iPhone and iPad

Solve mastermind puzzles with guesses and scores

Solve Mastermind-style puzzles by selecting guesses and scoring them. The narrows down possible solutions based on scores. Users can track remaining options and repeat steps until a single solution remains.

by Edwin Hou★ 1.25 ratingsGamesFreeData updated 2026-09-08

Decoder screenshots

Ranked alternatives

Showing 601–620 of 1,000 ranked alternatives.

  1. Resistor-Converter app icon

    Resistor-Converter

    Gerhard Lentschik

    Calculate resistance from color codes

    Calculate resistance values for 4, 5, or 6 ring resistors by selecting color codes or entering resistance values. Determine colored rings based on resistance input. Support for SMD resistors and EIA value calculations.

    ★ 4.916 ratingsUtilitiesFreeData updated 2026-09-06
  1. Palabrabra: Spanish Word Game app icon

    Palabrabra: Spanish Word Game

    Oliver Bluff

    Solve riddles, learn , share guesses

    Learn by solving riddles that use vocabulary to guess the of the day. Share guesses with friends. New words are added daily.

    ★ 3.47 ratingsGamesFreeData updated 2026-09-06
  2. Geo Quiz Challenge app icon

    Geo Quiz Challenge

    Grzegorz Surma

    Guess cities, flags, and places

    Play geography games by guessing cities, flags, and locations. yourself or compete with friends. Learn facts about places and test knowledge with multiple-choice questions. Track progress and review correct answers.

    ★ 4.89 ratingsGamesFreeData updated 2026-09-06
  3. Lucky Dice Guessing Game app icon

    Lucky Dice Guessing Game

    Peter Li

    Guess numbers, roll , track streaks

    Play a number by selecting a number and rolling a die. Track your streak of correct guesses. Compete with others on leaderboards and earn achievements through GameCenter.

    ★ 4.52 ratingsGamesFreeData updated 2026-09-08

How we rank alternatives

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