Available on iOS

Master your
instrument.

The AI-powered practice companion built on cognitive science. Adapts to how you learn, surfaces what you're about to forget, and builds the habits that last.

Download on the App Store
Coming to Android
Sostenuto app showing the setlist screen on iOS

AI Scheduling

Surfaces the pieces your memory is about to lose — right before they slip away.

Practice heatmap

A full year of consistency, visible at a glance. Every square is a session.

Habit engine

Streaks, smart reminders, and milestones built on behavioral science — not willpower.