There are painting apps for the iPad, and then there’s Auryn Ink — an app that brings watercolor painting simulation to the touchscreen.
Fast Company

Love love love this app! It takes a bit of tweaking the buttons to get what style you want. But over all a real gem!

From App Store

Is an absolutely awesome app for water color paint enthusiasts. I love this app and recommend it highly.

From App Store

This app is awesome. It looks and “feels” like watercolor. I use a Sensū Solo brush with it. ‘Nuff said…

From App Store