SailFreeGPS

Hello, 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 free time. ✓ SailFreeGPS displays current position, course (COG), speed (SOG), max speed, Trip distance, speed average and magnetic compas. ✓ 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 measure you can set). ✓ SailFreeGPS can share your position, COG, SOG to your friends. ✓ SailFreeGPS helps you during Man OverBoard manoeuvre (MOB). It stores the location and lead you to it. ✓ SailFreeGPS displays your track on google map (24h). ✓ SailFreeGPS helps you during Regatta with its countdown timer and its departure line ✓ You can store up to 5 waypoints and activate a GOTO function with ETA (Estimated Time to Arrival computation) ✓ You can convert your track to GPX/KML file ✓ You can use it on every boat, motor or sail boat. ✓ You can now activate an anchor alarm or a course alarm. Compass is a very tricky sensor, some time not accurate or some time just not calibrated. In this case, just consider https://support.google.com/maps/answer/2839911?co=GENIE.Platform=Android Please send me an email for any question or problem : sailfreegps@gmail.com Encourage me to continue by subscribing to premium version. List of features of Premium Version Premium version DOES NOT CONTAIN ADS. GPS INFO Tab: ✓ Doucle 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 100 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 départure 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