AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
Trigraphy - Photo editing app that allows you to make mosaic/abstract looking art.
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.
Live GIF - Convert live photos to GIF
Mosaic Creator - Mosaic Creator is professional mosaic tool. You can create your own picture mosaic.
GIF Brewery by Gfycat - Create stunning GIFs from videos & screen recording for free