421Grid app icon

Apps Like 421Grid for iPhone and iPad

by Nicholas Wheeler★ 0.00 ratingsMusic$1.99Data updated 2026-09-06

421Grid screenshots

Ranked alternatives

Showing 321–340 of 1,000 ranked alternatives.

  1. Multiplication tables 7+ Speed app icon

    Multiplication tables 7+ Speed

    FLUOMIND

    Practice math facts and take quizzes

    Learn from 1× to 12× through structured exercises and quizzes. Practice math facts and mental math with interactive drills. Track progress with built-in tests and receive instant feedback.

    ★ 4.187 ratingsEducationFreeData updated 2026-09-06
  1. Fractal Bits app icon

    Fractal Bits

    Alexander Zolotov

    Generate unique drum sounds with algorithms

    Create and explore drum sounds using algorithms. Generate unique sets of 12 drums with 8-character codes. Save, copy, or paste codes for later use. Access sounds via AUv3 and Audiobus.

    ★ 4.982 ratingsMusic$1.99Data updated 2026-10-24
  2. Learn Music Notes Piano Pro app icon

    Learn Music Notes Piano Pro

    michal bojanowicz

    And sight-read with real instruments

    And sight-reading with real instruments like , guitar, or violin. Use note buttons or a virtual keyboard. Receive feedback with smiling kitten animations. View session summaries and adjust settings.

    ★ 4.586 ratingsEducation$5.99Data updated 2026-09-14
  3. Music Flashcards - Blue Note app icon

    Music Flashcards - Blue Note

    Cornel Borcean

    Learn music notes with random repetition.

    The app helps users learn to read music notes by focusing on one set of notes at a time. It offers multiple clefs and saves progress as users advance through levels.

    ★ 3.844 ratingsMusicFreeData updated 2026-09-10
  4. RandL app icon

    RandL

    Josiah Farrel Suwito

    ★ 0.00 ratingsMusicFreeData updated 2026-09-06

How we rank alternatives

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