FiLMiC Pro - A dedicated video camera app for filmmakers, artists and video enthusiasts.
Explorecams - Explorecams allows you to search through thousands of images that people taken on specific photo camera bodies & lenses.
DxO ONE - DSLR image quality for your iPhone
CameraDecision - CameraDecision helps users to find a camera based on pros and cons, comparisons, and descriptions.
Obscura - DSLR controls for your iPhone
Photography PX - Photographypx, your one and only stop for latest camera gear reviews, tutorials, with industry leading photographers and courses to get you started right