Sun Surveyor is described as 'Calculates Sun and Moon Positions, Sunrise & Sunset and Moonrise & Moonset times, Solar Noon, Golden Hour and Blue Hour times, Moon Phases, Shadow Ratios and many other pieces of related information' and is an app in the photos & graphics category. There are more than 10 alternatives to Sun Surveyor for a variety of platforms, including iPhone, iPad, Web-based, Android and Mac apps. The best Sun Surveyor alternative is Positional, which is both free and Open Source. Other great apps like Sun Surveyor are Skylight Forecast, PicPlanner, Photopills and Suncalc.