What Android Or Apple Apps Would Be Most Similar To Google Maps To Navigate Across The Water?

hello

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but a friend says the $99/year package is excellent. He is using it in/around the Chesapeake Bay primarily. There is a trial version but it is only 3 days. https://www.savvy-navvy.com/

Some other alternatives might be found at https://casualnavigation.com/top-5-boating-equivalents-to-go...