Filterloop - Filterloop is a fantastic photo editing application offering millions of effects to make your photo look beautiful and attractive.
Olli by Tinrocket - iOS camera app that creates beautiful animation and drawings
RNI Films - Real film filters for iPhone photographers
Photomosh - Turn anything into a vaporwave
KD Pro - KD Pro is a fantastic camera application that captures photos in the same way as taken with a real disposable camera.
Waterlogue - Magically turn your photos into watercolor paintings.