Quote Originally Posted by DaveRage View Post
Welcome to the forums! The watercolour brush is one of the more processor intensive tools due to the calculations required for the paint simulation. Due to this the size is more limited in the Android and iOS versions of ArtRage. We're not ruling out changing this for the future however.
I wanted to check in on this again. On my Note 10+, the watercolor brush is virtually instantaneous at 100%. I'm sure more and more machines will be able to handle larger brushes.