What are some alternatives?
When comparing Gif Slice and Plotaverse, you can also consider the following products
GifBook - Make animated GIFs into paper flip books
Cinemagraph Pro - Cinemagraph Pro makes creation super-easy and fast.
Print A Gif - Turn any gif into a printable flip book
Lumyer - The easiest way to animate your photos
Gif Cube - Turn gifs into physical cubes
Enlight Pixaloop - The animation app that lets you move still photos