Free online practice tool

Learn the guitar fretboard by playing it.

Connect your guitar or use a microphone. GuitarRun listens to each note and shows where it lives on the fretboard—so scales become music, not just shapes.

Open the free trainer →See how it works

No download · No payment · Audio stays on your device

GuitarRun showing guitar scale notes and real-time practice feedback
Real-timePitch detection
12 keysAcross the fretboard
FreePractice in your browser
Built for deliberate practice

See, hear, and remember every note.

Most diagrams show you a shape. GuitarRun turns that shape into an active exercise with timing, note recognition, position changes, and feedback while you play.

01 / SEE

Visual fretboard

Watch every matching position light up when you play a note and connect what you hear to what you see.

02 / TRAIN

Scale practice

Choose a key, scale, position, and tempo. Follow the target notes through focused practice modes.

03 / IMPROVE

Instant feedback

Measure accuracy, timing, misses, and combos so each session has a clear goal and visible progress.

Start in under a minute

Your guitar is the controller.

Use an audio interface, your device microphone, or demo mode. The pitch analysis happens locally in your browser.

Connect

Plug in your guitar or place your device near your amp.

Choose

Select a key, scale position, practice mode, and comfortable tempo.

Play

Follow the highlighted notes and use the feedback to tighten your timing.

Questions

Guitar fretboard trainer FAQ

Is GuitarRun free?

Yes. You can open the trainer and begin practicing in your browser without paying or installing software.

Do I need an audio interface?

No. An audio interface gives a clean signal, but you can also use your device microphone near an acoustic guitar or amplifier.

Is my guitar audio uploaded?

No. Pitch detection runs on your device, and your audio is not uploaded.

What can I practice?

You can practice major, minor, pentatonic, multi-position, timing, root-note, memory, and fretboard-navigation exercises.

Play it. See it.

Turn fretboard knowledge into muscle memory.

Pick a scale, set the tempo, and play your first note.

Start practicing free →