Theodolite is an electronic viewfinder for hikers and other active sportspeople. It serves as a compass, GPS tool, zoom camera, rangefinder, and two-axis inclinometer. For advanced users, the app also has an A-B calculator for height, distance, heading position, triangulation, and relative angles.
SpotCrime uses augmented reality to give you an idea of how dangerous the local area is. Using different icons and colors, SpotCrime shows you specific crimes that have occurred in your immediate region. This app is probably useful for house hunting. Other free AR apps also have crime layers, but SpotCrime offers a more comprehensive database and crime-area scouring system.
A useful tool for photographers, gardeners, or house hunters, Sun Seeker shows you an augmented reality view (as well as a flat-view compass) of the solar path, the sun's hourly intervals, and its rise and set times. In the AR view you can also see the sun's current position and its path in the sky, while the map view shows solar direction arrows and elevations for each hour of the day.
Golfscape GPS Rangefinder The next time you go for a round of golf, you might bring along Golfscape GPS Rangefinder. This app pinpoints your position on the golf course and lets you choose your desired landing area.