Guitar LensLearn the triad shapes that unlock the whole fretboard.
Guitar Lens: Learn Triads helps you see, hear and drill the three-note chord shapes up and down the neck, until you know them without thinking.
Major and minor triads are free in every key and on every string set, and they always will be. No ads.
Everything you need to master triads
Great for players who know a few open chords and want to move up the neck.
Learn the shapes
- Pick a key, chord type, strings and voicing, then see and hear it note by note
- Watch major turn into minor as the 3rd moves one fret
- See every position on the neck
Every voicing
- Root position
- 1st inversion
- 2nd inversion
- Color-coded, with the root circled
Test yourself
- Find it: find a chord on the neck
- Name it: name the key, type and voicing
- What shape is this?
- A quick fretboard note quiz
Stay motivated
- Build a daily practice streak
- Earn 13 badges as you learn
- Left-handed? Flip every fretboard with one tap
A closer look
All 23 chord types, each built step by step from the major scale.
Free to start
Major and minor are free forever. Unlock all 23 chord types when you're ready.
Major and minor triads in every key, on every string set, with all quizzes, streaks and badges.
All 23 chord types. Starts with a 7-day free trial. Cancel anytime.
All 23 chord types, plus every future Guitar Lens topic and upgrade. Pay once, keep it forever.
Prices in US dollars; local taxes may apply. A monthly plan ($0.99/month) is also available in the iPhone app. Purchases on this website are processed by our reseller, Paddle.com, and can be refunded in full within 14 days. See our Refund Policy.