MVGEN - Make your own music videos with audio, gifs, and special effects
Color View Finder - Real time color palette from your iphone camera
Photomosh - Turn anything into a vaporwave
A Color Story - The photo app to colourize your life
HearSeeParty - Combine Gifs with with music using tags
Trigraphy - Photo editing app that allows you to make mosaic/abstract looking art.