Autodesk Sketchbook is an app thats available on iOS and Android mobile devices. This app is free but you can upgrade to Pro Tools ($4.99), Autodesk Sketchbook Pro ($4.99 for a month), and Autodesk Sketchbook Pro ($29.99 for a year). If you buy the subscription, it comes with Sketchbook Motion, a app that won 2016 iPad App of the Year. The free sketchbook version offers 170+ default brushes that you can customize to however you like it. It supports layers from Photoshop files, while keeping layer names and blending modes. Another feature is that you can take a picture of your sketch into digital form.
This app is great for beginner and expert illustrators on the go. If you want to do a quick sketch or have an idea you want to jot down then this app would be perfect.
