onNAV SailLink

onNAV Sail Link is a sailing instrument companion app built for fast decisions on the water.

Get live wind, heading, speed, trim, and tactical data in clean, high-contrast layouts designed for readability in real conditions. Switch between full tactical view and customizable quick panels, then long-press tiles to choose the sensor source that fits your setup.

Key features:

Real-time sailing instruments for wind, heading, speed, heel, trim, and performance
Tactical dashboard with compass, wind angles, and navigation data
Customizable Quick Panels with multiple screen layouts
Per-tile source selection (Auto, Calypso Wireless Ultrasonic Wind Sensor, NMEA, Signal K, GPS, and more)
Per-tile black/white inversion for maximum visibility
Support for external sensor workflows, including NMEA and Signal K sources
Session and performance-oriented display options for race or training use
Designed for iPhone and iPad, onNAV Sail Link helps you keep essential data visible, organized, and actionable when it matters most.

https://onnav.com/pages/eula