Smart Compass Pro is the 3rd set of Smart Tools collection (azimuth, metal detector, GPS). This compass is a tool to search bearings using built-in magnetic sensors. It has 4 significant features below. 1. Although you may turn your phone into portrait or landscape mode, the heading is fixed. 2. Camera's view is used for reality. 3. Metal Detector is included to verify magnetic sensor. 4. GPS and Google Maps are supported. The compass app depends on the performance of your device exactly. If the compass works perfectly, it means that your sensors are perfect, too. If it is inaccurate, please check that yours aren't being affected by a magnetic field. This app have several options to calibrate your device. Pro version added Features:- No ads- Share GPS location- Qibla finder, Car locator- Full metal detector. Do you want more tools? Get [Smart Tools] package. For more information, watch YouTube and visit the blog. Thank you. android. permission. INTERNET : Used by the API to download map tiles from Google Maps servers. The view-cover with a magnet on Galaxy S4-5 and Galaxy Note can make the compass inaccurate. Take it off. No internet support : You can open this app without any connection. After installation, open the app 2-3 times with your device connect to WI-FI or 3G/4G.