: Vibrations that increase in intensity as the device gets closer to an object.

If you are looking for a reliable tool to find lost keys or nearby magnetic objects, these high-rated options on Google Play are worth exploring: Gold Tracker - Metal Scanner - Apps on Google Play

| Risk Type | Description | |-----------|-------------| | Financial | In-app purchases for useless “depth calibration” or “satellite sync” features. | | Privacy | Unauthorized access to GPS history, device identifiers, and sometimes contacts. | | Malware | Some variants have been found to contain adware or click-fraud modules. | | Disappointment | Users waste time chasing false positives in real-world metal detecting. |

Stand in an open area away from power lines (they cause magnetic interference). Open the app and let the GPS find your location. Tap "Calibrate" – the app will compare the local magnetic field to satellite baselines.

When you search for look for these features to ensure you are getting a legitimate tool: