Fretline

Song file → guitar lesson. Play along on a note highway, loop sections, slow down, level up skills.

Android app

Install on your tablet or phone. Songs sync from your PC over Wi-Fi and play offline.

Download APK Version 0.1.0 · 2026-11-12

Play in the browser

No install. Try the demo song or open a .fretpack file.

Open web player Works on desktop, iPad and iPhone

Android: allow “Install unknown apps” for your browser when asked. To update, download and install the new APK over the old one; your songs and progress stay.
New songs are made with the Fretline PC app, which runs the AI on your computer.