Hunter Research and Technology releases version 6 of its flagship augmented reality app. A pioneer in the AR field since 2009, Theodolite 6 is a multi-function viewfinder that combines a compass, two-axis inclinometer, rangefinder, GPS, map, nav calculator, and geo-overlay camera into one indispensable app. Version 6 adds over 25 new features and support for iPhone X. With its new Super Retina screen, iPhone X is a perfect match for Theodolite's rich viewfinder graphics, maps, and data displays. Theodolite 6 is $5.99 and can be downloaded from iTunes.