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.

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