So you would like to locate dark skies around you for stargazing? There are already a bunch of sites that can provide you with that information. These light pollution mapping apps can help:
Light Pollution Map: a dark sky finder that helps you find the best site for stargazing and astrophotography. You can use your phone’s GPS to find dark locations around you. The app also has moon times and other useful info.
Dark Sky Meter: measures sky brightness and lets you see measurements done by others near you. Simply cover the camera and aim to the point right above your head.
Have you found better dark sky apps for iPhone? Please share them here.