What are some alternatives?
When comparing Dark Room and Manual Camera for iPhone, you can also consider the following products
Priime - Edit photos with the styles of the world's top photographers. Smart suggestions, fast editing, and inspiring collections.
VSCO Cam - VSCO Cam is an iPhone, iPod Touch, & Android camera app w/ elegant, minimal processing options.
Snapseed - Snapseed is a photo enhancement and sharing app with a powerful suite of imaging filters and tools...
Light L16 Camera - 16 cameras in one, 52-megapixel photos, 4K video 😳
Ultralight - Fast, light HTML UI solution for C++ apps
Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.