Download
Get the Mac or Windows app. A how-to guide is included in the download folder.
Drop an MP3 and play along with easy triad charts — or turn on 7th chords when you want them.
Everything stays on your computer.
From $29/year · Mac + Windows · No upload · No Python
Bbm · Ebm7 · Ab · click a bar to jump
Get the Mac or Windows app. A how-to guide is included in the download folder.
Enter your checkout email on first launch. Each license covers one registered computer.
Drop a song, follow the chart, fix chords, and save a PDF. Nothing is uploaded.
Clean studio recordings work best. Live shows, heavy effects, and muddy mixes are harder to hear—so key, meter, and chords can drift. Prefer a clear studio track (MP3, WAV, FLAC, M4A, or similar).
Mac and Windows · From $29/year