iNavigator + Widget is free on the iOS AppStore, it was $4.99
iNavigator + Widget is a universal app that includes:
・MAGNETOMETER:
- metal detection
- electromagnetic fields detection
- customizable alert level
- electromagnetic flow graph
- source position indicator
・COMPASS
・SPEEDOMETER:
- metric and imperial system are both supported (km/h or mph)
・GPS
・ALTIMETER
・BAROMETER
・TORCH:
- adjustable brightness
- manual activation
- proximity activation
- shake activation
・SOUND PRESSURE LEVEL METER:
- average and peak metering
・SIGNAL AND DETECTION ACCURACY INDICATOR
・WIDGET
how does it do that ?