SailFreeGPS

Die Beschreibung von SailFreeGPS

Site Editorial Commentary：Bring your own navigation instrument on your smartphone or tablet.

SailFreegps is your comprehensive sailing and navigation tool designed for both amateur and experienced sailors. Developed by a passionate sailor after a Transatlantic cruise, this app offers a range of features to enhance your boating experience.

✓ **Real-time Data:** Displays your current location, course over ground (COG), speed over ground (SOG), maximum speed, trip distance, average speed, and magnetic compass.

✓ **Historical Data:** Provides COG and SOG history (up to 6 hours) to help analyze the impact of trim adjustments on your sails.

✓ **Enhanced Accuracy:** Filters GPS data to improve accuracy by averaging multiple recent measurements (adjustable setting).

✓ **Share Your Location:** Easily share your position, COG, and SOG with friends and fellow sailors.

✓ **Man Overboard (MOB) Assistance:** Quickly mark and navigate back to a MOB location, providing critical assistance during emergencies.

✓ **Track Visualization:** Displays your sailing track on a Google map for up to 48 hours.

✓ **Regatta Support:** Features a countdown timer and departure line tool to aid in regatta racing.

✓ **Waypoint Management:** Store up to 8 waypoints and activate a GOTO function with estimated time of arrival (ETA) calculation.

✓ **Track Saving/Loading:** Save and load your tracks to and from GPX/KML files for later analysis or sharing.

✓ **Distance and Heading Calculation:** Calculate distances and headings between any two points.

✓ **Versatile Usage:** Suitable for use on any boat, whether it's a motorboat or sailboat.

✓ **Alarms:** Activate anchor and course alarms to ensure your boat stays within safe boundaries.

**Premium Version Features:**

The premium version of SailFreeGPS is ad-free and unlocks additional functionalities:

* **GPS INFO Tab:**
* Double-tap SPEED to reset trip, max, and average speed.
* Long-press COURSE to display the compass.
* Double-tap coordinates to show/hide your position.

* **graph Tab:**
* Double-tap the COG graph to view it in full-screen mode.

* **MOB Tab:**
* Displays the relative bearing to the MOB location.
* Displays tack angles.
* Double click graph to switch to full screen mode

* **Waypoint Tab:**
* Store up to 200 waypoints.
* Displays the relative bearing to the selected waypoint.
* Displays tack angles.
* Double click graph to switch to full screen mode

* **Map Tab:**
* Displays SOG and COG directly on the map.
* Track segments are color-coded based on speed.

* **Anchor Alarm:**
* Define anchor area as a polygon and adjust its shape.

* **Regatta Tab:**
* The "gun Button" rounds seconds to the nearest minute (e.g., 4:03 becomes 4:00).
* Enter precise start times down to the second.
* Displays time to kill/save based on current speed and course.
* Calculates the ideal speed needed to cross the starting line at 0:00 on the same course!

* **Settings Tab:**
* Enable reverse color mode (white on black).
* Select a hybrid map view.
* Choose the duration used to calculate the speed scale of your track: last 5 minutes, 15 minutes, or the entire track.
* Set your tack angle value, displayed on the MOB and WAYPOINT tabs.

* **Exit:**
* Option to save the track before exiting the app.

**Important notes:**

* Remember to calibrate your compass for optimal accuracy.
* SailFreeGPS uses a foreground service to maintain accurate location updates.

For any questions or issues, please contact the developer at [email protected].

Support the continued development of SailFreeGPS by subscribing to the premium version!