Best Grmagneto Apps

Metal Detector (PRO)

Detect ferromagnetic objects

Free

Transform your iPhone into a fun metal detector using its built-in magnetometer. Explore your surroundings, surprise friends with its entertainment features, and enjoy visual and audio feedback. Note: This app is for entertainment and does not offer true metal detection capabilities.

phyphox

Physical Phone Experiments

Free

Unlock your phone's sensors for scientific exploration. Conduct pre-built experiments or create your own using accelerometers, magnetometers, and more. Analyze and export data in various formats for further study.

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.

Toolbox - Smart Meter Tools

Best Measuring Tool Box App

Free

Transform your device into a versatile toolkit with a comprehensive suite of measuring instruments. This app offers a metronome, stopwatch, timer, ruler, level, and various sensors to assist with a wide range of tasks.

Measuring Tape, Photo Ruler

Meter: measure length, height

Free

This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.

Decibel X:dB Sound Level Meter

Frequency Spectrum Analyzer

Free

This app transforms your device into a professional sound level meter, precisely measuring ambient noise pressure. It offers advanced features like frequency analysis, historical data management, and dosimeter functions, making it useful for various applications and entertainment.

Compass & GPS

Quick Compass for Directions

Free

This utility app provides a digital compass to help you determine cardinal directions. It's useful for outdoor activities, travel, or low-visibility conditions, and also displays GPS altitude and your current location on a map.

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.

NIOSH Sound Level Meter

by EA LAB

Free

This free app measures sound levels and noise exposure using your smartphone. Developed by acoustics experts, it provides professional-grade metrics and guidance on hearing protection and noise prevention.

FieldCalc - GPS Area Measure

Measure Distance & Plot Acres

Free

This application uses GPS to accurately measure land areas and distances. It offers tools for calculating acreage, drawing boundaries on maps, and measuring perimeters. Users can also subtract areas and track their speed while measuring.

EMF Field Detector RF Scanner

Find Wave & Hidden Emitters

$4.99

Detect electromagnetic fields (EMF) using your device's sensors. Get alerted to high magnetic fields and potential radiation sources in your home. Useful for identifying hidden emitters and understanding your environment.

EMF & Magnetic Detector

Detect wires & metal fast

Free

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.

Compass∞

The #1 Compass Navigation App

Free

This app provides an accurate and easy-to-read compass for outdoor activities like hiking and camping. It displays heading, magnetic north, cardinal directions, temperature, and altitude. A flashlight is also included for nighttime use.

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.

Geo Field Area - GPS Measure

Measure Plots&Area Calculator

Free

Easily measure land areas using your device's GPS and map data. Mark plot boundaries with swipes to get quick and accurate area calculations. Save and share your measurements for various land management needs.

Ghost Detector EMF Necrometer

Spirit Box - Paranormal Talker

Free

This app combines EMF detection with a spirit box to facilitate paranormal communication. It offers professional-grade tools for real-time environmental monitoring and authentic voice manifestations, designed for both enthusiasts and experienced investigators.

Compass Heading- Magnetic Digital Direction Finder

by Flamethrower

Free

This app provides a clear and easy-to-read digital compass displaying your heading, cardinal direction, and magnetic north. It also features a built-in flashlight for use in low-light conditions, making it ideal for outdoor activities and navigation.