What is Poynterra Trekker? Poynterra Trekker is a unique, versatile navigation app that literally points you to any location on earth (a waypoint) without using the internet. If you’re an off-the-beaten-track trekker who would welcome a GPS lifeline in remote areas, this app is for you. Laying down GPS tracks is easy in ROAM and TRIP modes, ensuring easy return to previous waypoints. And as an ultimate lifeline, we’ve added SOS Emergency Flasher. If you’re a less adventurous traveler (like on a