AirSensor is a tool dedicated to airmen. it provides :
- magnetic heading (from iphone build-in magnometer)
- GPS true heading,
- GPS ground speed and altitude.
- You can memorize heading, track, or altitude to hold. Alarms warn you in case of drift.
- Your maximum ground speed is recorded and can be shared on Facebook
AirSensor helps you, but this is not a certified navigation instrument. Keep in mind you must also use traditional means of navigation.