GifJif - Turn GIFs into masterpieces.
Layout by Instagram - Combine multiple photos into a single image
Giphy - Search all the gifs and make your own animated gif
Nine by #2015bestnine - Meet Instagrammers through your best 9 photos on Instagram
GifLab - The easiest way to create GIFs on your iOS device
Likecreeper - Randomly hit like on a friend's horrifyingly old Instagram