Fretref: Scales, Chords, Strum is a music & audio app by Panña Creative Studios with 5,000+ downloads (about 7.6K estimated). +66 installs in the last 7 days. Released Jun 11, 2024. Install growth, rank history, SDKs and ad networks.
From the store listing: “Guitar companion for scale patterns, extended chords, tunings, strum machine”