Cairn is a brand new hiking safety app that allows you to keep your family and friends up to date and posted on your hikes.
Before heading out on your hike, you can enter the details of your planned trip -- where you're going, what route you plan to take, when you intend to return and so on -- before sharing that information with a so-called 'Safety Circle' of well-wishers and contacts.
When you safely finish your hike, you can press the 'End Trip' button to give your family and friends peace of mind that you've successfully and safely finished your trek.
Ultimately, Cairn is an app that offers peace of mind. Anything can go wrong in even the most seemingly benign hike, so this app is a great way for you to let your family and friends keep tabs on your movements and safety.