4/5 rating based on 2 reviews. Read all reviews for GradientMaker - Pro Image FX for iPhone.
GradientMaker - Pro Image FX is free iOS app published by Julian Hays
Bdoob3
Found this from the maker on Reddit and downloaded it. I use this to make simple backgrounds on my phone. Very easy to use and looks great once saved. I only wish I could mix together more than two colors but it could just be me doing something wrong.