Only the current version so far — new entries appear as the app ships updates.
GuitarHarbor: Learn Guitar is a music & audio app by Bumblly with 1+ downloads (about 3 estimated). +3 installs in the last 7 days. Released Oct 23, 2026. Install growth, rank history, SDKs and ad networks.
From the store listing: “Step-by-step guitar lessons with tuner, metronome and chord check”
