I use Apple iPhone / iPad / AppleTV & Mac. While on a His Light Photography workshop, we compared notes as to what app we use for scouting & shooting. I wanted to share some of the apps I use:
The Weather Channel for iPad Great for finding out the weather for your location.
WeatherBug This is my go to weather app. It shows me the weather map (so I can see what's coming), forecasts and even weather cams in the area.
Maplets Maps for all national parks, subways, ski resorts and more.
Stuck on Earth This will show you images that other people have taken on a map. Great for trying to figure out where you want to shoot next.
Magic Hour This handy tool will show you sunrise and sunset, but you can find a bunch of those apps out there. I like this because it will set an alarm to go off when magic hour is about to start.
LightTrac The elevation and angle of Sun changes throughout the year depending on the location, date as well as the time of day. LightTrac calculates both the elevation and angle of Sun and Moon for any date & time, for any place on earth and plots it on top of a satellite map.
The Photographer's Ephemeris This has been my go to tool for determining the sun's location. It's tough to use and not cheap.
GoSkyWatch Planetarium If I want to determine where the moon will rise or where the milky way is going to be, I use this app. It's a wealth of information for astronomy.
Planets This is a free counterpart to GoSkyWatch. I found it a little more clunky and not as much information as GoSkyWatch, but it's free and very useful.
GPS Kit This app is great as a GPS and tracking your location. You can upload or email your tracks and add them to your photos in Lightroom. It does so many other things, but that's what I use it for.
There are lots of apps for editing and actually taking photos. These are the app I use when I am out on location trying to determine where to shoot next.