It calculates Sunrise and Sunset with a proprietary algorithm based on your actually GPS coordinates.

WHY CHOOSE SUNRISE:
Because this is the only app that permit to calculate sunrise and sunset without internet connection.
When you are in the middle of the mountains you don't have 3G/4G signal and most of other apps don't works.
Sunrise never leave you alone!

MAIN FEATURES:
- dynamic parallax background. It changes with actual weather.
- GPS sunrise and sunset calculator
- Altimeter, also works without internet connection. It use internal GPS of your iPhone.
- Compass.
- Weather forecasts (required 3G/4G)
- no internet connection required for sunrise and sunset
- Your current ADDRESS always on main screen. You always know where you are!
GPS signal indicator
- Accuracy graph (only for iPhone 5/6)

is a great app for all enthusiasts of outdoor activities such as hiking, walking, skiing, rock climbing, mountain biking ...