SunIZup - SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and...
Solaris Sky Calendar - An astronomy calendar right in your pocket
SunCalc - Find out where the sun will be at any time in any location
Sundial App - Sun & Moon times and alerts for iPhone, iPad, & Apple Watch
Suntimes - Android app (and widget collection) that displays sunlight and moonlight times for a given location.
Alpenglow - Never miss a incredible looking sunrise or sunset again