Magnetometer+

Magnetometer+ turns your iPhone into a precise magnetic field meter with three purpose-built modes — and now keeps a full history of every reading. THREE MODES • Auto — radial gauge with raw total field magnitude. • Earth Field — total field with latitude band (low / normal / elevated / high). • Metal Detector — baseline-calibrated detection with intensity verdict (no metal / weak / detected / strong / large) and live haptic feedback. WHAT'S NEW • ⌖ Zero Calibration — capture your environment'...