Oh yes, many.
I will just list just some, and what I use them for
iPhoto - pictures of people or animals
DeluxeFX - use for when I take pictures of locations, when I want to make it colourful.
Pic Collage - anything. random editing random photos
Pic Stitch - anything. random editing random photos
InstaCollage - frames and putting pictures in love hearts.
Whitagram - making the back of my Instagram pictures white.
Photo Editor- - same as pic stitch and pic collage
Photo Editor by Aviary - same as pic stitch pic collage
CamWow - effects - usually for silly pictures