Moon Calendar Watch is a full version iPhone app developed by Guenter Wolf that provides precise data on Moon Phases, Sunrise, Sunset, Moonrise, and Moonset. The app is designed to display the Moon on your iPhone, iPod, or Apple Watch. It is quite accurate and determines your GPS location to provide precise Moon and Sun data at your location.

With Moon Calendar Watch, you can swipe left or right to see the Moon phases of the next day, or play an animation of the Moon Phase Calendar to get a quick overview. The app also has offline viewing capability, which means you can access the data without an internet connection.

Moreover, the app is easy to use and has a user-friendly interface. The Moon and Sun data are presented in a clear and concise manner. Overall, Moon Calendar Watch is a comprehensive and reliable app for anyone who wants to keep track of Moon Phases and Sun data.