About Metal Detector Metal Detector is an iOS app that helps you detect and visualize magnetic field changes using your iPhone’s built-in magnetometer. Whether you are scanning walls before drilling, checking for hidden metal-related signal changes, or mapping detection points in a space, Metal Detector provides clear real-time tools for practical everyday use. ## Key Features 🧲 Real-Time Metal Detection - Monitor live magnetic signal strength with fast, responsive updates 📊 Live Signal Graph - Track continuous field changes over time during scanning sessions 🧠Direction Guidance - Use directional cues to move toward stronger signal areas 🧱 Stud Finder Mode - Scan wall areas to help identify potential stud-related signal peaks 🟢 AR Scanner Mode - Place AR markers at detected points to review locations in 3D space (supported devices) 🎛️ Detection Presets - Use optimized presets for general metal, wall studs, metal studs, pipes/plumbing, and electrical wiring 🗂️ Session History - ...