13 Useful Apps for Off the Grid Adventures - National Geographic | iPads, MakerEd and More  in Education | Scoop.it
Though purists may say nothing can replace a printed topographic map, the world’s leading smartphone apps are getting close. Technology is making it easier than ever to get lost in an adventure without getting lost in the wilderness, and there are plenty of ways to enjoy these benefits even when you’ve ventured to signal-free zones. Try one of these useful off-line apps on your next remote mountain trek, camping trip, or deep-sea dive to stay connected and informed without an internet connection.