Hello

? 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 can share your position COG SOG to your friends.
? SailFreeGPS helps you during Man OverBoard maneuver (MOB). It stores the location and lead you to it.
? SailFreeGPS displays your track on google map (48h).
? SailFreeGPS helps you during Regatta with its countdown timer and its departure line
? You can store up to 8 waypoints and activate a GOTO function with ETA (Estimated Time to Arrival computation)
? You can save/load track to/from GPX/KML file
? You can calculate distance and heading
? You can use it on every boat motor or sail boat.
? 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.
I add periodically functionalities to this app when I have some spare time.

Do not forget to calibrate your compass for better results.

Please send me an email for any question or problem : [email protected]

Encourage me to continue by subscribing to premium version.

List of features of Premium Version

Premium version DOES NOT CONTAIN ADS.

GPS INFO Tab:
? Double click on SPEED will reset trip max and ags speed
? Long click on COURSE to display compass
? Double click on coordinates to display/hide position

Graph Tab:
? Double click COG graph to switch to full screen mode

MOB Tab:
? Displays of relative bearing of the MOB
? Displays of tack angles
? Double click graph to switch to full screen mode

Waypoint Tab:
? Up to 200 Waypoints
? Displays of relative bearing of Waypoint
? Displays of tack angles
? Double click graph to switch to full screen mode

Map Tab:
? Displays of SOG and COG (speed & course)
? Your track segments are displayed according to your speed

Anchor alarm:
? Anchor area can be a polygon and you can adjust its shape

Regatta Tab:
? "Gun Button" allows to round seconds to nearest minute
Ex: 4:03 => 4:00 or 3:58 => 4:00
? Enter exact start time up to the second
? Displays of time to kill/save continuing the same way (speed and course)
? Displays of ideal speed to cross the line at 0:00 on the same course!!!

Settings Tab:
? Displays reverse color (white on black back)
? You can select Hybrid map
? Select on which duration is calculated the speed scale of your track: last 5min 15 min or all the track
? Select your tack angle value. It will be displayed on MOB and WAYPOINT tabs

Exit:
? Ask to save the track before Exit

Note: SailFreeGPS uses a foreground service to get your location