EyeOnian™

Music Solutions LLC

In-app purchases

About this app

Explore a lifetime of harmony.

EyeOnian™ is an interactive tool for exploring and visualizing harmony and scales — one place to see how music theory fits together and make it your own.

Browse a complete, comprehensive library of modes and the constructive harmony each one is built from. Feed in your own harmonic ideas and watch EyeOnian analyze them in real time. See your harmony rendered across four clefs, plus keyboard and fretboard diagrams — then save, share, and recall any visualization you create.

WHAT YOU CAN DO
- Explore every mode — Browse a comprehensive library of scales and modes and the harmony beneath each one.
- Analyze in real time — Enter your own harmony and get instant, visual analysis.
- Read it your way — Notation visualization which supports a wide range of instruments' needs.
- Save, share & recall — Keep any visualization, share it, and bring it back whenever you need it.

WHO IT'S FOR
Musicians, students, composers, and teachers who want to understand harmony more deeply — from your first modes to advanced ideas.

Try it free in demo mode, then unlock everything with a single one-time purchase — no subscription.