Gyroscope powered sailboat/ship inclinometer plus GPS navigation! Not like the older accelerometer based apps, this uses the real Gyroscope, it is super accurate and never needs calibration.
Super accurate tilt meter based on the gyroscope and now also a great GPS navigation backup all in one.
Including:
Longitude
Latitude
Time and Date
Compass Heading in Magnetic Degrees
Speed in Knots
Automatic warning if compass needs to be calibrated or is near interference.