Qastor vs ChatSea

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.

Ch@tSea combines end-to-end encrypted 1:1 messaging with trusted maritime safety information, including navigational warnings and marine protected areas displayed directly on the map. Built on international maritime standards, Ch@tSea uses device-based certificates to verify users and protect communications, ensuring privacy and authenticity by design. Whether you’re sharing messages, exchanging locations, or staying informed about safety services from trusted providers, Ch@tSea helps you communicate with confidence—ship to shore.