* SailFreeGPS displays current location, course (COG), speed (SOG), max speed, Trip distance, speed average and magnetic compass.
* SailFreeGPS displays COG and SOG history (6h) to help you to see trim effect on your sails.
* SailFreeGPS filters GPS information for more accuracy (average of an amount of last measures you can set).
* SailFreeGPS displays your track on google map (24h).
* SailFreeGPS helps you during Man OverBoard maneuver (MOB).
* SailFreeGPS can share your position, COG, SOG to your friends.
* You can now activate an anchor alarm or a course alarm.
I am an amateur sailor who has decided to create this app after a Transatlantic cruise.
Encourage me to continue by subscribing to premium version.
It stores the location and lead you to it.
* You can use it on every boat, motor or sail boat.
I add periodically functionalities to this app when I have some spare time.
* Select your tack angle value.