Ossia

Your sheet music, annotated.

Write on scores with Apple Pencil or mouse. Built for musicians who want GoodNotes precision on their actual sheet music.

Free · No app install · Works on iPad and desktop

Write naturally

Fountain pen, pencil, brush, highlighter — every stroke feels like paper.

Music stamps

Chord diagrams, time signatures, Roman numerals, tables, and sticky notes.

Precision metronome

Web Audio accuracy, tap tempo, swing, and count-in. No app required.

Setlist

Order your scores for a rehearsal or concert. Navigate with a swipe or pedal.

Live sync

Open on iPad and Mac at the same time — annotations appear instantly.

Export PDF

Download your annotated score as a PDF to print or share with students.