You get to pick between three brightness levels and some aids like the horizon line changing in green when you are at level are nice additions.
Of course, you can also apply the Camera Noir B&W filter to existing photos, and share on Facebook, Twitter, and other social outlets.
The app definitely looks like a great tool for the casual photographer, adding drama and depth to photos. You can check it out on the App Store below, it costs $1.99.
source: Pacific Helm