Compare software

BoatSpeedy vs Savvy Navvy: catalog facts
BoatSpeedy	Savvy Navvy
	Screenshots
Best for: Paddlers and small electric boat owners on rivers and lakes	Best for: Leisure sailors and motorboaters who want simple route planning on a phone
Free Free and open source under the MIT licence.	Free + paid options Free to download; full features require a paid subscription.
Android	Android, iOS
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	Route planning that accounts for wind, tide and current Charts, tides and weather in one app Simple interface for less experienced boaters
Android 13 or later only Small project with a narrow audience English and German only	Not a replacement for certified onboard navigation equipment Advanced features require a subscription
Downloadable app	Downloadable app
Open source	Not open source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for BoatSpeedy boatspeedy.wozise.de github.com/Glenn-Dandy/BoatSpeedy Catalog checked October 2, 2026	Official website Full listing and sources Sources for Savvy Navvy savvy-navvy.com Catalog checked September 23, 2026

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

Screenshots