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. One Handed Solitaire app icon

    One Handed Solitaire

    RANEYDOMAIN, LLC

    Discard cards by matching suit or value.

    This card game uses a 52-card deck and can be played in one hand without a flat surface. The objective is to discard as many cards as possible by matching suit or face value.

    ★ 4.614 ratingsGames$0.99Data updated 2026-09-26
  2. Tactics app icon

    Tactics

    ChessBase Schachprogramme- Schachdatenbank Verlags GmbH

    Solve Chess tactics and improve skill

    The app helps users master Chess by solving tactic positions. Unsolved positions reappear later, and users can solve tactics as a guest or by logging in with a PlayChess account.

    ★ 3.03 ratingsGamesFreeData updated 2026-10-05
  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
  2. Remember - mimic game app icon

    Remember - mimic game

    Aleph Retamal

    Repeat color sequences and challenge friends

    Is a memory training where players repeat color sequences. Users can challenge friends, track progress, and compete in timed rounds. Features include adjustable difficulty levels and score tracking.

    ★ 4.814 ratingsGamesFreeData updated 2026-09-09
  3. English Words Finder PRO app icon

    English Words Finder PRO

    Rick Jansen

    Find by length, letter, or score

    Solve crossword puzzles, cryptograms, and Scrabble-like games. Search for using dots for unknown letters or at-signs for multiple letters. Look up online or in a dictionary. Find anagrams and sort by length, alphabet, or score.

    ★ 4.715 ratingsGames$3.99Data updated 2026-09-08
  4. Automatically answers Sudoku(lite) from the image. app icon

    Automatically answers Sudoku(lite) from the image.

    Daisuke Isayama

    Solve Sudoku puzzles from photos.

    The app automatically solves Sudoku puzzles from images. Users can photograph a Sudoku or select an image to have the app recognize and solve the numbers.

    ★ 1.76 ratingsGamesFreeData updated 2026-11-02
  5. Guitar Perfect Pitch app icon

    Guitar Perfect Pitch

    TAKAHIRO AYA

    Measure and improve guitar technique now.

    The app measures guitar technique and pitch. Users can improve their playing by practicing ear training and transcribing music.

    ★ 4.04 ratingsGamesFreeData updated 2026-10-08
  6. 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
  7. Find the Difference Plus HD app icon

    Find the Difference Plus HD

    Globeapps srl

    Find differences between two photos.

    The app presents a game where players find five differences between two photos before time expires. Incorrectly marking a spot reduces remaining time, while finding differences quickly earns more points.

    ★ 4.312 ratingsGamesFreeData updated 2026-11-02

How we rank alternatives

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