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OpenCPN vs BoatSpeedy: catalog facts
OpenCPN	BoatSpeedy
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Best for: Sailors who want a full chartplotter on a laptop or onboard computer	Best for: Paddlers and small electric boat owners on rivers and lakes
Free Free and open source.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android	Android
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	Waterway routing computed offline, with locks and weirs Live battery range from a Bluetooth BMS or coulometer Large readout legible in full sun No accounts and no Google Play Services
Desktop-style interface is less suited to phones than dedicated mobile apps Some chart sets must be obtained separately	Android 13 or later only Small project with a narrow audience English and German only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account 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 BoatSpeedy boatspeedy.wozise.de github.com/Glenn-Dandy/BoatSpeedy Catalog checked October 2, 2026

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

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