Spyglass v3.9.1 Premium

Spyglass is an essential offline GPS app for outdoors and off-road navigation. Packed with tools it serves as binoculars, heads-up display, hi-tech compass with offline maps, gyrocompass, GPS receiver, waypoint tracker, speedometer, altimeter, Sun, Moon and Polaris star finder, gyro horizon, rangefinder, sextant, inclinometer, angular calculator and camera. It saves a custom location, navigates precisely to it later, shows it on maps and using augmented reality displays detailed GPS info, measures distances, sizes, angles, and does a lot more.

Compass & gyrocompass:
• Accuracy improvement techniques, special compass modes and calibration methods available in Spyglass only make it a real instrument – the most advanced and accurate digital compass.

Finder, tracker & AR navigation:
• Spyglass operates in 3D and uses augmented reality to show object positions, info and directions to them overlaid over camera or maps.
• Save current position, add a point from maps, manually enter location coordinates.
• Find the saved place later simply by following directional arrows.
• Spyglass tracks your target and shows its info – distance, direction, azimuth, elevation and estimated time of arrival.

GPS, speedometer & altimeter:
• Find and track your location and get detailed GPS data – coordinates in dozens of formats, altitude, course, current, maximum and vertical speed, using imperial, metric, nautical and surveying units.

Offline maps:
• See your and targets’ positions on maps using different map styles and alternative map providers – plan waypoints and measure distances. Offline maps optimized for retina displays are available for download.

Track polaris, sun and moon & navigate by stars:
• Track positions of Polaris, Sun and Moon with arc second precision – use them as a reference to calibrate compass for maximum accuracy.

Optical rangefinder:
• Measure distances to objects in real time with a rangefinder reticle similar to sniper sights.

Sextant, angular calculator and inclinometer:
• Find out heights of objects and distances to them – measure visually and calculate dimensions and distances.

Camera:
• Take pictures overlaid with all available GPS, positional and directional data.

Requirements: Android 5.0+

Home Page - https://play.google.com/store/apps/details?id=com.happymagenta.spyglass&hl=en