SailFreeGPS vs DONIA Usage & Stats

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

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DONIA

DONIA - Enjoy & protect the sea, together ! With its 50,000 users, DONIA protects the Mediterranean seabed (Posidonia meadows, coralligenous reefs, etc.) by providing a precise vision of the seabed for a serene and respectful anchorage. With Donia in your pocket you will be able to : - Visualize precisely the seabed (sand, Posidonia, coralligenous, rock) - Access all the useful information for your trip at sea: ports, regulations, diving sites - Book your Donia Mooring buoys to enjoy safe and serene anchorages - Share your observations with other users: anchorage spots, marine mammal sightings, obstacles at sea, etc. - Prepare and follow your navigation with weather predictions, course and speed monitoring, measurement tools, etc. - Monitor your mooring with skid, collision and entanglement alarms - Access to free mapping even offline - Real-time access to marine activities through the AIS system, SOS alert and chat - Access to SHOM charts and HD bathymetric data (Premium version only)! And many more features! *** Participate in the implementation of a more respectful yachting*** DONIA is above all a community of enthusiasts who exchange information to make their sailing or motoring trips easier, richer, safer and more respectful. Since 2018, Donia users have helped preserve 76 ha of posidonia from being uprooted by anchoring, why not you? *** By enthusiasts for enthusiasts*** Created by marine biologists and divers from Andromède Océanologie, Donia aims to make maps of the seabed visible and accessible so that everyone can participate in their protection. In order to take advantage of the famous maritime solidarity, the application responds to the desires of users and listens to them in order to make it an innovative and effective tool for anchoring and protection. *** DONIA Mooring *** The DONIA application incorporates the mapping of buoys and mooring boxes into a buoy reservation module called "DONIA Mooring". It integrates, in real time: the availability calendar of these mooring devices, pricing by class of vessel and slots, reservation and management of secure payment via mobile phone. *** DONIA PREMIUM *** The Premium version of the application (€24.99 per year, €2.99 per month) gives access to the SHOM (Service Hydrographique et Océanographique de la Marine) charts (updated in 2022) as well as nearly 230 high-definition bathymetric charts allowing any user to find new sites of interest, plan diving routes, or even visualise faults and rocky outcrops Want to help us improve DONIA? Find us on Facebook, Instagram and LinkedIn to share your best finds! Facebook: https://www.facebook.com/Donia.andromede Instagram: https://www.instagram.com/donia_andromede/ LinkedIn: https://www.linkedin.com/showcase/42123722/ Please note that continuous use of the GPS in the background may reduce battery life. Terms of use: https://donia.fr/cgu/cgv_fr.html The DONIA community application for navigation and anchoring outside fragile ecosystems is available and used in the Mediterranean. It is available in English, French, Spanish and Italian on smartphones and tablets.