Sun Moon - Sunrise Sunset is a free app available on the iPhone platform under the category of Business & Productivity. This app is designed to help photography enthusiasts capture the perfect moments during the 'golden time' of a day. The app accurately calculates the sunrise and sunset times, as well as the golden hour, blue hour, and moon phase of each day. By knowing these precise times, users can plan their photography sessions accordingly and enhance their photos with rich shadows and textures.

The app also offers additional features such as photo sharing, where users can create long pictures to share with friends on social platforms. It provides a recent preview of the precise times for the next 7 days, ensuring users stay up to date. For premium users, the app offers global position viewing to know the precise times in any city around the world, as well as a calendar overview for future dates. The app also includes timely reminders to never miss a good sunrise or sunset.

Overall, Sun Moon - Sunrise Sunset is a helpful tool for photography lovers who want to make the most of the 'golden time' and capture stunning photos.