Point your camera at your fretting hand. GTAI watches your chord shapes in real time and tells you exactly what to fix — finger by finger.
No download · No credit card · Works in your browser
No guitar teacher, no metronome, no waiting. Open the app and start playing in under 30 seconds.
Grant webcam access. Your video never leaves your device — all AI processing happens locally in your browser.
→Choose any chord from the library. A finger diagram shows you exactly where each finger should go on the fretboard.
→Hold the chord. The AI checks your hand shape in real time and confirms each finger as you nail it — or tells you what to adjust.
The fastest way to build muscle memory is immediate, accurate feedback on every repetition.
The principle behind GTAIBuilt for beginners who want to move fast — and intermediate players who want to fill in the gaps.
MediaPipe detects 21 landmarks on your hand at 30fps. The AI scores your chord shape against reference finger positions and flags exactly which finger is off.
Don't know where to start? Lesson Path teaches one chord at a time in a logical sequence — from open Em all the way to barre chords.
Race against the clock. Flash through chords as fast as you can. Your best time, streak, and score go on the global leaderboard.
A built-in chromatic tuner and note-detection tool so you can confirm each string rings clean — not just looks right.
Create a free account to save streaks, session history, chord milestones, and your leaderboard score across any device.
Video is processed entirely on your device. No frames are uploaded, stored, or transmitted anywhere. Ever.
Open in your browser. No sign-up required to start.
Free forever · Create an account anytime to save progress