Calligrapher: Calligraphy Pen is an art & design app by Mark Tsiushkevich with 1,000,000+ downloads (about 1.7M estimated). +785 installs in the last 7 days. Rated 4.5 from 14K ratings. Released Oct 15, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Calligraphy pens, brush lettering, text and fonts. Draw and save PNG art”