SailFreeGPS 4+

Bring your own navigation instrument on your smartphone or tablet.

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.

Please send me an email for any question or problem : contact@sailfreegps.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 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 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