Repostage - Print your Instagram photos with a hashtag
UnfoldPrints - UnfoldPrints is an app that allows you to make photo collages and order them to print.
Disposable Camera App - A roll full of surprises, printed and shipped for $12.99
Lalalab - Print photos from your iPhone
Mixtiles - Mixtiles is a photography application that turns your photos into self-adhesive wall art.
Print Studio - No hassle printing from your desktop or mobile