Since we got Apple’s Pencil, we have not been able to stop doodling, drawing, and sketching. So far, AstroPad is one of our favorite apps to use with our Pencil and ParcSlope. Astropad allows you to turn your iPad into a graphics tablet and draw directly into Photoshop right from your iPad. iMore made a great comparison of the latency between the Wacom Cintiq, and the iPad Pro, Apple Pencil, and Astropad.
Of course, to complete your iPad Pro and Pencil set up, you need AstroPad and ParcSlope. Learn more about how ParcSlope can act as your easel for iPad Pro.