Explorecams - Explorecams allows you to search through thousands of images that people taken on specific photo camera bodies & lenses.
FiLMiC Pro - A dedicated video camera app for filmmakers, artists and video enthusiasts.
Unsplash - Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.
DxO ONE - DSLR image quality for your iPhone
Shutterstock - Shutterstock is a provider of stock photos, illustrations, and vector art. The website allows individuals to purchase a subscription and download copyrighted art for creative projects. Read more about Shutterstock.
Obscura - DSLR controls for your iPhone