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SailFreeGPS v5.0.8 b271 (Premium Mod)
SailFreeGPS is a navigation instrument application for marine use, designed to display and log essential GPS data for sailing and motorboats. The application utilizes a foreground service for continuous location tracking and data accuracy.Application Specifications
| Category | Details |
| OS Requirement | Android 7.0 and up |
| Version | 5.0.8 build 271 |
| Architecture | arm64-v8a, armeabi-v7a |
| Mod Status | Premium features unlocked, debug code removed, optimized file structure |
Core Functionality
- Navigation Data: Displays real-time location, Course Over Ground (COG), Speed Over Ground (SOG), maximum speed, average speed, trip distance, and magnetic compass.
- Performance Tracking: 6-hour COG and SOG history graphs to monitor trim effects; 48-hour track display on Google Maps.
- Accuracy: User-definable GPS filtering (averaging last measures).
- Safety & Alarms: Man OverBoard (MOB) location storage and guidance; anchor alarm (polygon area) and course deviation alarms.
- Data Management: Save/load tracks via GPX and KML files; waypoint management with ETA and distance/heading calculations.
- Regatta Tools: Countdown timer with departure line assistance.
Premium Feature Set
| Tab/Feature | Premium Capabilities |
| GPS Info | Reset trip/max/avg via double-click on speed; toggle compass via long-click on course. |
| Waypoints | Storage expanded up to 200 waypoints; relative bearing and tack angle displays. |
| Regatta | "Gun Button" for minute rounding; exact start-time entry; time-to-kill and ideal speed calculations. |
| Map | Hybrid map support; SOG/COG overlays; speed-coded track segments (5min, 15min, or full duration). |
| MOB | Relative bearing and tack angle displays for recovery maneuvers. |
| UI/UX | High-contrast mode (white on black); full-screen graph modes; exit prompts for track saving. |
| Advertising | Ad-free interface. |
Recent Updates
- New: Added "Next" and "Previous" navigation buttons to the Waypoint tab.
- Fixes: General bug resolutions and stability improvements.
Technical Notes
- Compass Calibration: Manual calibration is required for accurate magnetic heading results.
- Track Logging: Users are prompted to save track data before application termination.