Procreate 1.01 is a digital painting app for the iPad that is designed for professional illustrators. It features a 16 layer layering system as well as the capability to merge up and down, transform, and show/hide. Standard tools include a color picker, eye dropper, and a smudge tool for mixing paints.
According to the developer, ProCreate 1.01 features 64-bit color sampling to mix paints, a pressure slider that reacts differently based on the pressure you choose, up to 100 levels of undos and redos, and eight built in brushes. You can also create and import your own brushes. Procreate 1.01 works with iPad and requires 4MB free space and iOS 4.2 or later.
Mac APP Store