HearSeeParty - Combine Gifs with with music using tags
AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
Photomosh - Turn anything into a vaporwave
Percolator - Percolator: the always fun, supremely unique photo app that is sure to surprise you! FEATURES:
Decim8 - Turn photographs into glitch art
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.