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SailFreeGPS

Master your course with high-precision SOG/COG data, tactical regatta tools, and essential safety features like MOB and anchor alarms. Built by a sailor for sailors, it is the ultimate all-in-one utility for your next voyage.

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Key Figures

Downloads

135K+

User Rating

4.1/5

Total Ratings

100

Publisher

Frederic BRO

Precision Navigation for Every Sailor

Built by an amateur sailor for the community, SailFreeGPS delivers the high-accuracy data and safety tools you need for weekend cruises or competitive racing.

Safety-First Anchor & MOB Alerts

Protect your crew and vessel with customizable polygon anchor alarms and a dedicated Man Overboard (MOB) system that stores coordinates and leads you back instantly.

Performance Tracking & Trim Analysis

Visualize your progress with 6-hour SOG and COG history graphs, allowing you to see the immediate effect of sail trim adjustments on your speed and heading.

FAQ

Frequently Asked Questions

Everything you need to know about SailFreeGPS

What navigation data does SailFreeGPS display?

SailFreeGPS displays current location, course (COG), speed (SOG), maximum speed, trip distance, speed average, and magnetic compass for navigation.

Does SailFreeGPS provide COG and SOG history?

Yes, SailFreeGPS tracks and displays Course Over Ground (COG) and Speed Over Ground (SOG) history for the past six hours, aiding in sail trim analysis.

How does SailFreeGPS improve GPS accuracy?

SailFreeGPS filters GPS information to enhance accuracy. Users can configure the number of recent measurements used for this average calculation.

Can SailFreeGPS share location and speed data?

Yes, SailFreeGPS allows users to share their current position, Course Over Ground (COG), and Speed Over Ground (SOG) with friends.

How does SailFreeGPS support Man OverBoard (MOB) situations?

SailFreeGPS assists with Man OverBoard (MOB) maneuvers by storing the MOB location and providing navigation guidance to return to it.

Does SailFreeGPS show track history on a map?

Yes, SailFreeGPS displays the user's track history on Google Maps for up to 48 hours, providing a visual record of past routes.

What Regatta features are available in SailFreeGPS?

SailFreeGPS offers Regatta features, including a countdown timer, a departure line, ideal speed calculation, and time to kill/save metrics.

How many waypoints can SailFreeGPS store?

The free version of SailFreeGPS stores up to 8 waypoints. The premium version increases this capacity to 200 waypoints.

Can SailFreeGPS import or export tracks?

Yes, SailFreeGPS supports saving and loading tracks using standard GPX and KML file formats for data management and external use.

Does SailFreeGPS have an anchor alarm?

Yes, SailFreeGPS includes an anchor alarm and a course alarm feature. The premium version allows customization of the anchor area as a polygon.

Does the premium version of SailFreeGPS include ads?

No, the premium version of SailFreeGPS does not contain any advertisements, providing an uninterrupted user experience.

Does SailFreeGPS support a dark mode display?

Yes, the premium version of SailFreeGPS offers a reverse color setting, displaying white text on a black background for a dark mode experience.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

SailFreeGPS - SailFreeGPS screen displaying speed course and GPS coordinates — SailFreeGPS screen displaying speed course and GPS coordinates

SailFreeGPS - SailFreeGPS app interface showing a detailed nautical chart of Miami Beach with navigation tools and depth soundings. — SailFreeGPS app interface showing a detailed nautical chart of Miami Beach with navigation tools and depth soundings.

SailFreeGPS - SailFreeGPS mobile app interface displaying the Man Overboard navigation tool with speed and course data. — SailFreeGPS mobile app interface displaying the Man Overboard navigation tool with speed and course data.

SailFreeGPS - SailFreeGPS app anchor alarm interface showing a customizable polygon safety zone and boat tracking. — SailFreeGPS app anchor alarm interface showing a customizable polygon safety zone and boat tracking.

SailFreeGPS - SailFreeGPS app screenshot showing regatta racing dashboard with countdown timer and distance to start line — SailFreeGPS app screenshot showing regatta racing dashboard with countdown timer and distance to start line

SailFreeGPS - SailFreeGPS app dashboard showing speed over ground and course over ground readings — SailFreeGPS app dashboard showing speed over ground and course over ground readings

SailFreeGPS - Interface of SailFreeGPS app displaying real-time sailing data including Speed Over Ground, Course Over Ground, and GPS coordinates — Interface of SailFreeGPS app displaying real-time sailing data including Speed Over Ground, Course Over Ground, and GPS coordinates

SailFreeGPS - SailFreeGPS app screenshot showing nautical navigation data including speed course and waypoint tracking — SailFreeGPS app screenshot showing nautical navigation data including speed course and waypoint tracking

SailFreeGPS - SailFreeGPS navigation dashboard showing speed course and location data — SailFreeGPS navigation dashboard showing speed course and location data

Description

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