Sketching and doodling are excellent wind-down activities - here are five iPhone drawing apps I rely on for on-the-go stress relief.

The best drawing apps for the iPad Pro turn Apple's tablet into an artist's canvas. Here are some of our favorite drawing apps for both artists and hobbyists.

Freeform (US$4.99), a vector drawing app for the iPad platform from Stunt Software, falls into this class of app.

Sketching and doodling are excellent wind-down activities - here are five iPhone drawing apps I rely on for on-the-go stress relief.