Best Magnetometer Free Apps

EMF Radiation Detector Reader

Detect Magnetic Field Meter

Free

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.

Physics Toolbox Magnetometer

Real-Time Field Strength Meter

Free

This app transforms your iPhone into a precise scientific instrument for measuring, visualizing, and recording magnetic fields. Explore magnetic field vectors, magnitudes, and compass headings with real-time charts and digital readouts. Ideal for educational experiments, lab work, or curious exploration.

Metal Detector and Spy Camera

Cam Device and Stud Finder

Free

This app acts as a versatile detection toolkit, helping you find hidden metal objects, magnetic fields, and potential spy cameras. It also includes tools to check your WiFi network for unknown devices and scan your email for data breaches, enhancing your safety and aiding home improvement projects.

Metal Detector EMF

Find metals and magnetic field

Free

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.

Magnetometer ∞

Magnetic Field Visualizer

Free

Visualize magnetic fields in real-time with precision charts and monitor X, Y, Z axis readings. Ideal for scientific research, education, and field work, this app offers professional-grade accuracy and an intuitive interface for easy data interpretation.

Magnetometer & WiFi Scanner

Magnet Sensor & WiFi Scanning

Free

$4.99 | 100% OFF

Analyze your surroundings with your iPhone's sensors. Detect magnetic field changes and scan your Wi-Fi network to see connected devices. All processing is done locally on your device.

magnetoboy

find metals, detect EMF, yeah!

Free

This utility app uses your device's magnetometer to measure and visualize magnetic fields. Detect ferromagnetic materials, observe field changes, and even use it for locating hidden objects by attaching a magnet. The app provides visual graphs and optional vibration feedback for strong fields.

Metal Finder - Magnetometer and Teslameter with Magnetic Field Detector

by margaret kovatch

Free

Detect nearby electromagnetic fields to locate metal objects and magnets. This tool can also help find metallic studs and wiring behind walls using your phone's magnetometer.

Physics Toolbox Sensor Suite

Sensor Data Visualization Tool

Free

This app turns your smartphone into a scientific instrument suite, enabling measurement, recording, analysis, and export of real-time sensor data. It offers tools for kinematics, acoustics, light, magnetism, and more, suitable for students, educators, researchers, and hobbyists.

Metal Detector – Magnet Finder

Find Metals with Your Phone

Free

This tool uses your phone's magnetic sensor to detect metal objects and measure magnetic field strength. It provides real-time readings, visual and audio alerts for increased fields, and a history graph to track changes.

Magnetometer Stud Finder

One4wall For Nails On Walls

Free

This utility app leverages your device's magnetometer to detect metal objects like studs, nails, and screws within walls. It offers adjustable sensitivity settings for precise location finding, making DIY projects easier.

Gauges: Speedometer & Sensors

Altimeter, Sound Meter & More

Free

This utility app transforms your device into a multi-sensor tool. It provides real-time readings for GPS, altitude, speed, barometric pressure, acceleration, magnetic force, sound levels, and light intensity. Visualize data with graphs and maps, mark values, and record sensor information for later analysis.

Compass°

Simple Large Display Compass

Free

This application provides a large, easy-to-read compass display to show your direction and heading. It utilizes your device's internal hardware for accurate estimations.

Stud Finder - Metal Detector

Wall Scanner - Magnetometer

Free

Easily detect metal objects like nails, screws, and wiring hidden within walls. Simply hold your phone against the surface and move it; the app will alert you with a beep and a visual indicator when metal is detected.