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

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Ranked alternatives

Showing 821–840 of 1,000 ranked alternatives.

  1. TapReaction app icon

    TapReaction

    Lars Bergelt

    Train reaction time with color and numbers.

    The app tests reaction time through color and number modes. Users can select board size and playing time to train reaction skills.

    ★ 4.01 ratingsGamesFreeData updated 2026-09-12
  1. Color Math-Cross Number Game app icon

    Color Math-Cross Number Game

    刚 韩

    Solve puzzles and track progress

    Solve math puzzles by filling in empty cells with numbers. Complete equations using addition, subtraction, multiplication, and division. Track progress through multiple levels. Adjust difficulty settings for varying challenge levels.

    ★ 0.00 ratingsGamesFreeData updated 2026-09-06
  2. Guess City app icon

    Guess City

    Pavel Shchedukhin

    Guess the city from pictures.

    The app presents pictures of attractions and challenges users to guess the city. It includes famous buildings and statues, with over 100 jobs available.

    ★ 5.02 ratingsGamesFreeData updated 2026-11-03
  3. SPANISH - Speakit.tv (Video Course) (7X004VIMdl) app icon

    SPANISH - Speakit.tv (Video Course) (7X004VIMdl)

    PROLOG Limited

    Learn languages through video lessons.

    The app offers language learning through videos covering everyday situations. Users listen, read subtitles, and repeat words and phrases.

    ★ 3.02 ratingsEducationFreeData updated 2026-09-23
  4. IQ Puzzle Master app icon

    IQ Puzzle Master

    Atik Altn

    Play puzzles, improve time, replay levels

    Solve puzzles with two modes: complete 30+ levels with increasing difficulty or race against time on a global leaderboard. Track performance and IQ score in statistics. Adjust pieces to find optimal solutions.

    ★ 0.00 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

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