Spyglass 2020 IOS (iPhone, iPad, iPod) with tools it serves as binoculars, heads-up display, milspec compass with maps, gyrocompass, tactical GPS receiver, waypoint tracker, speedometer, altimeter, Sun, Moon and star finder, gyro horizon, rangefinder, coordinate converter, sextant, inclinometer, angular calculator and camera. It saves your custom places and waypoints, navigates precisely to them later, shows