Buku: GST Invoice & Billing is a business app by SoftDew Tech Private Limited with 100,000+ downloads (about 133K estimated). +23 installs in the last 7 days. Rated 4.7 from 1.3K ratings. Released Feb 7, 2020. Install growth, rank history, SDKs and ad networks.
From the store listing: “Fast GST invoice maker, bill book & receipt generator for small businesses”