Know
the neck.
A fretboard you can interrogate. Seven modes, five CAGED positions, triads, pentatonics, and the connective tissue between them — built for late-night practice.
Click any note, get its function in the active key — chord tone, color note, passing tone — with Eb/Bb spelling that respects the key signature.
Daily quizzes, spaced drills, and per-module accuracy tracking, so the time you spend with the app compounds into real fluency.
You know
one box.
You don't
know why.
Every drill respects the active key — F# minor stays F# minor, not a soup of sharps and flats.
Dorian isn't a mood — it's a position. See exactly which note flips and why the color changes when you do.
Notes aren't just dots. Every position is labeled with its role — root, third, fifth, color tone — at a glance.
Triad practice with the nearest-inversion rule, so chord changes finally stop sounding like teleportation.
Built for
the long game.
Most apps measure clicks. Intervallic measures fluency — accuracy across keys, time-to-recall per position, and the gaps in your fretboard map you didn't know you had.
- Per-position accuracy — even on E♭ and B♭See which key signatures actually slow you down, and drill those first.
- Spaced repetition for shapesTriads and CAGED positions resurface on a cadence tuned to memory decay, not vibes.
- Session historyEvery drill stored, so you can watch the line trend up over months — not just today.
- Sync with a metronomeSample-accurate engine other tabs subscribe to, so timing practice never drifts.
Every tool.
One place.
Six interlinked modules, one shared theory engine. Switch between them without losing the key, tempo, or root you were practicing.
Diatonic, harmonic, and exotic scales — spelled correctly across all twelve keys, with a function legend that never lies.
Climb the neck through the five CAGED positions with shape overlap, root markers, and the connections highlighted.
Close-voiced triads on every string set, drilled with the nearest-inversion rule so your changes voice-lead instead of jump.
Pick a key, root, string set, and tempo once — every module remembers and reuses it across your session.
Per-module accuracy, most-practiced heatmaps, and a 30-day trend that tells the truth about your progress.
Ask the in-app teacher why a chord works, or how to escape Box 1 — it answers with the fretboard you're already looking at.
Free to explore.
Paid to master.
Everything you need to learn the basics and explore the system at your own pace.
- Modes & scales
- CAGED visualizer
- Triad explorer
- Pentatonic boxes
- Limited drills
- No session history
- No AI teacher
- No custom drills
- Community support
Everything in Explorer, plus the long-game tools.
- Per-position accuracy analytics
- Spaced-repetition drill scheduler
- Custom drills across any string set
- Voice-leading triad coach
- AI Teacher — context-aware answers
- Setlist & backing-track practice
- Eclipse-dark export-ready charts
No. The explorer, CAGED visualizer, triad shapes and pentatonic boxes are all available without signing up. Accounts unlock progress tracking and drills.
Set a key once and every module — modes, CAGED, triads, pentatonics — respects it, including correct sharp/flat spelling for E♭, B♭, F♯ and the rest.
Six-string standard out of the box, with drop D, half-step down and open tunings in the practice settings. More tunings are added monthly.
No. Intervallic is built around the why behind shapes — function coloring, voice-leading, and the connections between positions, not just a lookup grid.
Yes. It's grounded in the same theory engine the rest of the app uses, so its answers reference the exact shapes and notes you're looking at on screen.
Of course. Cancel from your account at any time — no questions, no retention emails. Your free Explorer access remains forever.