This app can detect if your phone is close to metal WITHOUT CALIBRATION*.

If it is close enough it will start to vibrate and a red light will come on.
It also has a needle and number display which tellsyou how strong the magnetic pull is.

Swipe left to open settings and try a different axis if detection doesn't work.

You can also change the number at witch vibration starts.


0 comments:

Post a Comment

 
Top