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ALL APPS

GMI Premium

Apps

Every GMI app in one place, grouped by what you want to do. New here? Start with the marked app in each group.

Learn

See how keys, scales and chords fit together.

Harmonic Universe Visualise scales, keys and chord relationships. Start here Cycle Wheel Follow the cycle of 4ths/5ths and beyond. Diatonic Key Builder PRO Build keys and modes. Instant diatonic clarity.

Build

Find, make and arrange chords and progressions.

Chord Lab Find and compare voicings across the neck, or build your own in Chord Creator. Start here Chord Architect Explore extended and altered chords and their voicings. Structure Lab PRO Analyse upper structure triads. Progression Lab PRO Build, hear and refine progressions. Sketchpad Collect and arrange your chord ideas.

Practice

Read, play along and track your progress.

Sight Reader Read and play graded music. Build your fluency. Start here Practice Studio PRO Practise with live backing tracks and track your progress.

Compose

Write and arrange your own music.

Coming after launch

Tools for writing and arranging your own music are on the way. Members will hear first when they open.

Reference

Look it up, then play it.

Guitar Library Thousands of notated pieces across centuries and styles. Start here Theory Glossary Clear definitions of every term and concept.

New to an app? The GMI Guide explains every app, panel by panel, with pictures.

Read the GMI Guide →