Procreate Pocket
Create stunning illustrations and drawings on your iPhone
4 Alternatives To Procreate Pocket
Astropad
Astropad is a free form drawing tool designed from the ground up to take advantages of the features offered by an iPad.
Concepts
Concepts is a digital design sketchbook for iPhone, iPad, iPad Pro and windows 10 devices.
Pattern
Simple, focused, drawing application for the iPad.
TwomonUSB
You can create dual monitors quickly and easily using a USB.