Magnetometer
Magnetometer Summary
Magnetometer is a mobile Android app in Tools by AppDevGenie. Released in Oct 2020 (5 years ago). It has about 412.3K+ installs and 1.3K ratings with a 4.54★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 16.2K monthly active users . Store metadata: updated Nov 23, 2025.
Recent activity: 1.9K installs this week (22.8K over 4 weeks) showing above average growth , and 4.00 new ratings this week View trends →
Store info: Last updated on Google Play on Nov 23, 2025 .
4.54★
Ratings: 1.3K
Screenshots
App Description
***FREE***NO ADS***
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.