This utility app transforms your iPhone into a metal detector using its built-in magnetometer. It measures magnetic fields to help you locate ferromagnetic objects like keys, coins, and electronics.


210+ iOS apps curated and reviewed
If you already know Metal Detector, this is the deeper bench. 210+ gauss meter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.


This utility app transforms your iPhone into a metal detector using its built-in magnetometer. It measures magnetic fields to help you locate ferromagnetic objects like keys, coins, and electronics.






This app uses your device's magnetometer to detect magnetic and electromagnetic fields. It helps locate metal objects, hidden wires, pipes, and even wood studs behind walls. Get real-time readings and alerts to explore your surroundings.

Measure magnetic fields in microteslas using your device's sensor. Simply place the screen near a magnet to identify its North or South pole.


Transforms your device into a magnetic field strength meter. Detect residual magnetism in steel objects, measure magnet strength, and analyze magnetic fields on three axes. Useful for various applications including material assessment and component analysis.


Detect electromagnetic fields (EMF) around you using your phone's sensors. Identify high-radiation zones in your home and workplace to better organize your environment and potentially improve well-being. Measure EMF emitted by various electronic devices and appliances.


Transform your device into a metal detector and magnetic field scanner. Measure, record, and analyze electromagnetic fields and metallic objects in real-time or over extended periods. Includes simulated mode for devices without a magnetometer.


This application uses your smartphone's magnetic sensor to detect nearby metal objects. It can help you find hidden metallic items, act as a treasure hunting tool, or even assist in ghost hunting by visualizing magnetic field trends. Requires a device with a magnetic sensor to function.


Transform your device into a magnetic field detector. It measures magnetic field strength in real-time with a 3-axis display and provides visual alerts for metal and magnet detection. Explore the invisible magnetic world around you with a sleek, intuitive interface.


Measure magnetic field strength and detect metals using your device's sensors. Visualize data in real-time, customize alerts, and map measurement points. Export data and attach media for detailed analysis.


This utility app monitors magnetic field strength and direction, providing alerts when specific thresholds are met. It records measurements, plots data, and allows export via email. The app supports various units and acquisition rates, with an automatic resizing screen for optimal viewing.


Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.


Detect and track magnetic fields and potential EMF sources around you. Receive warnings for high readings and access guidelines for safe exposure levels. Monitor your environment and protect your health.


Transform your device into a versatile measuring toolkit. It offers a comprehensive suite of 13+ tools including a barometer, altimeter, compass, metronome, stopwatch, timer, and various levels for diverse applications.


Transform your phone into an EMF scanner and stud finder. Detect magnetic fields, locate metal objects behind walls, and explore potential paranormal activity. Offers a precise Gauss meter and recording features for detailed analysis.


This application utilizes your smartphone's magnetic sensor to detect nearby metal objects by measuring magnetic field values. It displays readings in microtesla (μT) and can help locate hidden metallic items. Please note it cannot detect non-ferrous metals like silver, gold, or copper.


Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.


This application measures and displays environmental noise levels in decibels. It offers various visual representations of the data, including gauges, graphs, and numerical readouts. Users can also save their measurement history.


This professional software connects to CEM instruments to enhance measurement efficiency and quality. Users can visualize data, log and share measurements, and manage their data effectively.


Detect metallic objects hidden underground or behind walls using your device's magnetic sensor. Explore potential treasure or ghost hunting opportunities, and monitor EMF radiation levels from household appliances.


This app provides precise exposure metering for photographers, supporting both digital and analog workflows. It offers a comprehensive set of manual controls and advanced tools like a hyperfocal distance calculator.