Thus, while you cannot satellite-scan for treasure, you can download legitimate magnetometer apps that mimic a basic metal detector.

Your Android phone contains a tiny sensor called a magnetometer, which is primarily used to power the digital compass and assist with navigation. Measuring Magnetic Fields: These apps read the microtesla (

Apps marketed under names like "Satellite Metal Scan" often claim to use "NASA technology" or satellite waves to find gold underground. However, standard smartphones lack the hardware required for satellite-based ground-penetrating radar. How Metal Detection Apps Actually Work Legitimate metal detector apps on the Google Play Store rely on a phone's built-in magnetometer (magnetic sensor). Capabilities