Most of the features are completely free. It has most of the desirable features, including layers, advanced drawing tools, 64x zoom for detail, and support for Adonit, Wacom, Pencil by 53 and Apple Pencil devices. Price: Free / Optional subscription (Up to $53.99 per month for the maximum package)Īdobe Illustrator Draw is easily one of the best drawing apps for iPhone and iPad.