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 : 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:
✓ 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

// Option A //

To download SailFreeGPS mod from HappyMod.to.
You need enable the option "Unknown Sources".
1. Click on the above link to download SailFreeGPS mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download SailFreeGPS from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.to - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search SailFreeGPS in HappyMod App.