Magnetometer is a tools app developed by AppDevGenie.
Download Statistics
Magnetometer has been downloaded 440 thousand times. In the last 30 days, the app was downloaded 6.5 thousand times.
User Ratings
Magnetometer is rated 4.54 out of 5 stars. The rating is based on 1.3 thousand ratings.
App Information
Magnetometer is FREE to download. The APK download size is 3.30 MB. The latest version available is 2.3. The last update was on November 23, 2025.
Technical Requirements
Magnetometer requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play October 2020.
Description
Info:
Not all android devices have a built-in magnetometer, so please be advised that it may not work with your device. Icon and text will indicate if device is compatible once application starts. Accuracy is dependent on manufacturer. A magnetic field sensor (also known as magnetometer) reports the ambient magnetic field, as measured along the three sensor axes. The measurement is reported in the x, y, and z fields and all values are in micro-Tesla (uT).
Settings:
For audible alarm and vibration on high field detection click on respective buttons to toggle. Change alarm sensitivity by clicking on reading and swipe seek bar to set.
Calibration:
If output readings fail it attempt to calibrate by gently shaking the device or waving the device in a figure 8 pattern.
Permissions:
Vibration: select whether device should vibrate when high signal is detected. Wake lock: Device will not sleep during operation.
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Works with a variety of magnetometer sensors. 100% compatible with my S10. Readings are really accurate. Also works on some other older and newer devices I have.
★★★★★Natascha Benni· Feb 2, 2025
I found a hidden camera in my hotel room with this app, check your smoke detectors they are not supposed to have a magnifying feild.
★★★★★Charles Grissom· Feb 23, 2025
Great lil app to go with a flagship device with the right sensors in it. It could use a north-south feature to show the orientation of the magnet you are testing. Useful tool if you need this. Phis are free without any ads and that's a plus ya know. Thanks for that.
★★★★★Ravi Shankar Gupta· Jul 6, 2026
This app is excellent. It detects ferromagnetic thing with compass and magnet of phone's speaker. It helped me find a plate of iron.
★★★★★Henry Stephenson (Henrys12341)· Sep 13, 2024
Works great use the sensors in your device and is fascinating for looking at different magnetic fields
★☆☆☆☆mc wong· Oct 2, 2024
Once ib launched the app, it gave a high pitch alarm. On closing the app the sound kept going. Had to reboot the phone.
★☆☆☆☆Gil theartist· Jan 30, 2026
Dude, how tf do you even use this, the gui is hieroglyphics & there's no instructions. Im just trying to identify a magnets' orientation.
Google Play Rankings for Magnetometer
This app is not ranked
Technologies used by Magnetometer
Magnetometer is requesting 2 permissions and is using 14 libraries.
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