Learn to play the diatonic button accordion with interactive lessons, realistic sounds, and practice tools. Explore songs, scales, chords, and exercises with guided finger placement and bellows variations. Record and share your music with built-in social media sharing.
Reviews of Accordion Cassoto Diatonic are mostly positive: the Music app is rated 4.8/5 from 1.2K App Store ratings. What users like most: realistic accordion sound quality, user-friendly interface for beginners. Top complaints: frequent crashes reported, audio saturation issues on some devices. Summarized from real user reviews.
4.1
August 9, 2026
Play using a PC (computer) keyboard via USB or Bluetooth, providing a much more realistic feel that is closer to a real accordion! Learning Mode: Learn songs, scales, chords, and practice with exercises designed exclusively for the accordion, in a game with multiple stages, levels, and difficulty. The app teaches you the correct finger to press each button! * New Mexican, Colombian, and other songs! A variety of songs for you to learn to play the diatonic button accordion. * New notation options (notes on the buttons) * New song screen interface * Bug fixes * Keys sound instantly (no delay) * Animated bellows * Equalizer and audio effects * "Two Keys" mode (change the Keys using registers) * Bellows vibration * Adjust the size of notes * Loops of Waltz, Bachata, Norteño, Tango +... * 100+ Keys (tunnings), * MIDI
MoreAll Premium Features annually.
7 issues
No sound output on some devices
Audio saturation on certain phones
7 requests
Full-screen mode for iPad Pro
Larger button sizes for tablets
Accordion Diatonic Cassoto is a free educational app designed to help users learn to play the diatonic button accordion. It offers interactive lessons for songs, scales, chords, and exercises, along with realistic accordion sounds and practice tools like rhythms and a metronome.
The app includes a note game for learning songs, lessons on musical chords with bellows variations, guided scale practice with finger suggestions, and over 40 exercises to progress from basic to advanced levels. It also shows notes on buttons and highlights them when played.
The app is free to download and use. It offers in-app purchases, which may include additional content or features beyond the free offerings.
The app features over 80 loops and variations in popular musical styles like Norteño, Vallenato, Forró, Country, Waltz, and Cumbia. It also provides more than 100 free keys/tunings, such as G/C/F and E/A/D, allowing users to learn in their preferred tone.
Yes, the app allows you to record your playing and save it as a video or MIDI file. You can then easily share your recordings on social media with a single click.
