Qastor vs Navigation Marine PRO

Qastor is a professional marine navigation and pilotage tool for maritime pilots. It combines high-precision positioning, live AIS traffic, and detailed nautical charts to support safe passage through harbors, ports, and confined waters. Built for the demands of real-time pilotage, Qastor gives you the situational awareness you need, accurate vessel position and heading, under-keel clearance, predicted tracks, and berth approach information, all on a portable display you can bring aboard any ship. Key features: Real-time AIS display of surrounding vessel traffic High-accuracy GPS positioning and heading Detailed nautical charts with depth and tidal information Docking and berth approach support Route and passage planning Works offline, independent of the ship's own systems Trusted by marine pilots for navigation in some of the world's busiest ports and waterways.

An helpful navigation marine tool for sailors, yachts and boats. This app contains a set of nautical applications: - Speedometer in knots, mph or km/h, Course over Ground; - Position; - Mark or edit waypoints; - Distance measurement in nautical miles and meters. Also useful for anchoring; - Course to Waypoint. --- We are tied to the ocean. And when we go back to the sea, whether it is to sail or to watch - we are going back from whence we came. John --F. Kennedy-