The app measures magnetic field strength and can function as a metal detector. It displays real-time data, supports multiple units, and allows customizable measurement settings with alerts.
by HUNG HSUN LIN★ 3.010 ratingsEducation$1.99Data updated 2026-10-19
Detect and measure fields using the device's magnetometer. Identify objects by strength and proximity. Record and view data over time. Compare readings to baseline values for accuracy.
Measure magnetic field strength in microtesla units across x, y, and z axes. Display total magnetic field magnitude. Detect Earth's magnetic field and identify permanent magnets or electromagnetic fields.
Track magnetic fields and detect ferromagnetic metals
Detects magnetic fields and ferromagnetic metals using the iPhone's compass. Issues a warning beep when magnetic fields are present. Identifies devices emitting radio-frequency EMF such as plugs, cell phones, and routers.
The app measures magnetic field strength using the device's magnetometer. It shows both static and alternating fields from sources like power lines and household electronics.
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Measure electromagnetic field strength in microTesla or milliGauss. Display field strength with visual indicators. Check exposure levels in real time. Calibrate and save measurement data. Share results via email or social media.
Measure magnetic fields in micro teslas using the device's magnetometer. Detect ferromagnetic materials like iron, magnets, and metals. Adjust feedback level for vibration alerts. Visualize field strength with a graph.
Measure angles between two surfaces using accelerometer and gyroscope. Determine angles between lines on a plane by aligning device edges. Display measurements in degrees. Switch between protractor and finder modes.
Measure sound levels with a precision instrument featuring a . Calibrate against professional dB meters. Log noise data and set decibel thresholds. Display real-time sound level readings and frequency analysis.
Calculate coil by detecting magnet rotations using the smartphone's magnetic sensor. Attach a magnet to the rotating part for accurate measurements. Alternatively, measure smartphone rotation without a magnet. Calibrate the magnet before use.
Analyze neutron polarization data to study atomic spin orientation in crystals. Manipulate neutron spins with magnetic fields. Visualize and interpret scattering patterns. Export and share results for scientific research.
Measure distances to objects using the lens. Display distance on the image with a 3D grid overlay. Aim at objects to determine their height or depth. Use for measuring boats, buildings, or golf aids.
Convert units across categories including pressure, time, frequency, data, length, energy, density, inductance, magnetic induction, mass, power, volume, area, speed, temperature, and data transmission.