Beartooth is a free Android application developed by Beartooth Inc, designed to keep you connected even when there is no cell service. It is a handheld device that pairs with your smartphone and allows you to communicate with your crew up to 5 miles away using voice push-to-talk feature. You can also send one-on-one or group texts to any Beartooth users up to 10 miles away, making it easy to stay connected with your group.

One of the most exciting features of Beartooth is the topographic maps designed for explorers. With this feature, you can easily navigate through new places and terrains. Additionally, Beartooth has a charging feature that can fully charge an iPhone 6S Plus 1.75 times, making it a useful tool in emergency situations.

It's important to note that Beartooth is currently in open beta, so you may encounter bugs and some features may be disabled. However, user feedback is encouraged to help improve the app. Overall, Beartooth is a must-have for anyone who goes off-grid frequently and needs reliable communication.