IronScope - Metal Detector

IronScope turns your iPhone into a real magnetic field detector. Using the built-in magnetometer, it measures the surrounding magnetic field strength in microteslas (µT) and alerts you to nearby ferromagnetic objects.

KEY FEATURES • Real-time magnetic field reading in µT • Color-coded gauge with audio alarm intensity • One-tap calibration to local Earth field baseline • Visual pulse alarm when metal detected • Toggle audio beeps on/off • Fully offline — no network, no tracking, no ads

USE CASES • Find metal studs behind walls • Locate buried nails, screws, or pipes • Test if jewelry is magnetic • Detect EMF from electronics • Demonstrate magnetism for science class

HOW IT WORKS The magnetometer in your iPhone constantly reads the ambient magnetic field. IronScope subtracts the calibrated baseline (Earth's natural ~50 µT) and shows the excess as a metal-presence signal. Stronger ferromagnetic objects produce larger readings.

LIMITATIONS Smartphone magnetometers have lower sensitivity than professional metal detectors. IronScope works best on small ferromagnetic objects (iron, steel, nickel) within a few centimeters. Aluminum, copper, and other non-magnetic metals will not be detected. Not suitable for treasure hunting at depth.

PRIVACY The magnetometer is read locally. No audio, video, or location is collected. No analytics, no ads, no account.

SUBSCRIPTION INFO • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage and cancel your subscriptions by going to App Store → Account → Subscriptions.

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