Moosica

Master notes, chords, keys and rhythm in minutes a day. Offline, ad-free, and private — miss a question and Moosica brings it back until you own it.

Learn music theory a few minutes at a time.

Moosica turns music theory into quick, friendly practice sessions. Answer bite-size questions, get instant feedback with clear explanations, and let smart review bring back anything you miss — right when you're about to forget it.

PRACTICE SIX CORE SKILLS • Note names — read treble, bass, alto and tenor clefs • Intervals — name the distance between notes • Chords — recognize triads and 7th chords • Scales — know your scale degrees • Key signatures — read sharps and flats at a glance • Rhythm — count beats and note values

BUILT FOR REAL LEARNING • Daily practice sized to your goal, with streaks to keep you going • Spaced repetition: missed concepts return at growing intervals until mastered • Three difficulty levels, from your first notes to 7th chords • Timed quiz and flashcard modes • Hear the notes, intervals and chords you see • Progress tracking by topic, plus achievements to unlock

SIMPLE AND RESPECTFUL • Works completely offline — practice anywhere • No account, no ads, no tracking: your data never leaves your device • Clean, readable notation in light and dark mode • Designed for kids, students, teachers and adult learners alike

Whether you're starting band class, learning piano, singing in a choir or finally decoding sheet music, Moosica makes theory practice something you'll actually do.