Spyglass
Spyglass is arguably the most advanced compass and GPS nav app for iPhone and iPad. The powerful app has recently been updated and is essential for every outdoorsman. With an augmented reality navigator and an off-road compass, the toolkit app is packed full of useful features such as a hi-tech viewfinder, milspec compass, gyrocompass, maps, tactical GPS, waypoint tracker, speedometer, altimeter, gyro horizon, sniper’s rangefinder, coordinate converter, sextant, inclinometer, angular calculator, zoom camera… plus many more. You can even store all the locations you will need later on, such as your hidden treasure spot.