Empowering boaters with comprehensive sailing intelligence for the English and Irish coasts. Download charting, tidal data, and more for offline use, ensuring a safe and enjoyable experience at sea.






7+ similar apps compared and reviewed
iStreams Channel Islands is great, but it's not the only option. Explore 7+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.






Empowering boaters with comprehensive sailing intelligence for the English and Irish coasts. Download charting, tidal data, and more for offline use, ensuring a safe and enjoyable experience at sea.



A comprehensive reference for marine chart symbols, abbreviations, and terms. It's designed for learning, teaching, and as a quick reminder for sailors and cartography professionals. Features over 800 entries with search and favorite options.





Access Imray's renowned cruising guides and pilot books on your mobile device. This app provides verified sailing directions, marina data, and points of interest for over 17,000 locations, all available offline. Enhance your passage planning and sailing experience with trusted, first-hand researched content.


This app allows sailors to perform traditional navigation directly on their device, offering a digital alternative to paper charts and instruments. It supports various chart types and integrates with GNSS data for real-time navigation, with options for advanced features and chart subscriptions.


Navigate New Zealand's waters safely with this offline cruising guide. It offers comprehensive routes, waypoints, and detailed information on anchorages, marinas, and local knowledge for various cruising areas. Layers allow customization for destinations, weather, tides, and more.




Access worldwide maritime safety information on your mobile device. View the full text of active and recent warnings, bridging gaps in traditional Navtex receiver data. Essential for both SOLAS vessels and smaller craft.