UnfoldPrints - UnfoldPrints is an app that allows you to make photo collages and order them to print.
Qimage Ultimate - Qimage Ultimate is an advanced photo printing software that gives you speed along with a quality printing service.
Lalalab - Print photos from your iPhone
PhotoElf - PhotoElf is a photo viewing, editing, and printing software that lets you enhance your photos with settings that yield the best results after printing them.
Print Studio - No hassle printing from your desktop or mobile
Photo Print Pilot - Photo Print Pilot is a photo printing software that lets you print a batch of photos effortlessly.