The Digital Sketchbook

Apple’s first tablet, the Newton Message Pad, debuted in 1993. It came with a stylus. With the development of the iPhone and the capacitive touchscreen, the stylus was abandoned in favor of the finger. But the physical immediacy offered by this technology is offset by its inability to record precise and nuanced marks, making drawing on an iPad a tedious experience for many. 

For a run-down of drawing apps that make this experience a little less tedious for those who can't or don't want to drop $800 plus on a new iPad pro (plus the $99 apple pencil) check out the full article at the the Architectural Record website