Compare software

OpenCPN vs Aqua Map: catalog facts
OpenCPN	Aqua Map
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Best for: Sailors who want a full chartplotter on a laptop or onboard computer	Best for: Recreational boaters navigating US coastal waters, the ICW and the Bahamas
Free Free and open source.	Free + paid options Free to start, with paid options for additional charts and features.
Windows, macOS, Linux, Android	Android, iOS
Runs on Windows, macOS, Linux, Raspberry Pi and Android Plugin manager with a catalog of community plugins Designed for use at the helm while underway No cost for the software itself	Uses NOAA, USACE and CMOR chart sources Charts available offline Anchor alarm for drift warnings Coverage of the Bahamas and the ICW
Desktop-style interface is less suited to phones than dedicated mobile apps Some chart sets must be obtained separately	Chart coverage centres on US waters and the Bahamas Some features require payment Not open source
Downloadable app	Downloadable app
Open source	Not open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Offline features available	Offline features available
Official website Full listing and sources Sources for OpenCPN opencpn.org play.google.com/store/apps/details Catalog checked September 23, 2026	Official website Full listing and sources Sources for Aqua Map aquamap.app play.google.com/store/apps/details apps.apple.com/us/app/aqua-map-boating/id919552329 Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.

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