The only practice tool that lets you loop multiple sections
together with different settings—while automatically training
you through all 12 keys
Full features for 14 days • No credit card
Stop practicing one section at a time. Build custom sequences, train
through keys, and master songs 3x faster.
Practice verse 2, the solo, and chorus 3 together—each with their own tempo and key. Add or remove sections on the fly as you master them.
Speed Training gradually increases tempo. Key Acrobat transposes through all 12 keys. Perfect for jazz standards and technique building.
Create unlimited regions visible on the waveform. Organize into groups. Every section saves automatically with your song.
Export and share your entire practice setup with students or colleagues. Import files from other slowdown apps. Backup everything.
Professional tools under the hood, designed for serious musicians
Precision control over every aspect of your audio
Shape your sound with surgical precision
Your complete practice library at your fingertips
Designed by musicians, for musicians
From the practice room to the stage—built for musicians and learners who demand more from their tools
Master complex changes with key transposition and custom loop sequences
Share complete practice setups with students—regions, sequences, and progressions included
Build technique with progressive speed training and structured practice sessions
Perfect pronunciation and rhythm with precise audio repetition and speed control
Loop sections endlessly, slow down without pitch change, and capture every note
Learn songs quickly with professional audio tools and efficient workflow