Pixel Pix - Turn your photos into pixel art
AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
Crossyards - Tell a story in 3D pixel art
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.
PictureThat - Fill your walls with art and photos in AR 🎨
Mosaic Creator - Mosaic Creator is professional mosaic tool. You can create your own picture mosaic.