Lubber Line

SET YOUR COURSE Point, tap the anchor, and your course is locked. A glowing cyan arc on the ring shows the delta between where you're heading and where you want to be — shrinking to nothing as you come back on course. Nudge ±1° with a tap or ±10° with a hold, exactly like cruise control. No typing, even with your phone bolted to the helm: steer the bow at the target and tap. REAL TRUE NORTH — AND HONEST ABOUT IT Most compass apps ignore magnetic declination. Lubber Line applies the World Magnetic Model for your exact position to show true north — and proves it with a small T/M badge: T when corrected, M when reading magnetic until a fix arrives. In regions where declination reaches 15–20°, that honesty matters. SPEED OVER GROUND IN KNOTS A proper marine instrument cluster: heading, coordinates, and SOG in knots — with a still-gate that pins speed to an honest 0.0 the moment you stop,…