Turn your phone’s magnetometer into a ferromagnetic metal detector.
• Real‑time magnetic field indicator with a clear color meter: green (ambient), yellow (nearby), red (very close).
• Works offline. No account. No data collected.
• Optional Pro upgrade: removes ads.
⚠︎ What it detects
This app detects ferromagnetic metals (iron/steel) because it reads magnetic field disturbances.
It does NOT detect non‑magnetic metals like gold, silver, copper or aluminum.
Tips
• Keep away from speakers/magnets while testing.
• Detection range depends on your device’s sensor and case thickness.
• If the meter saturates near a strong magnet, step back to resume normal readings.
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