Re: Nav apps for android phones?
Since the original info on this thread is year's old, we might as well update.
I've been using Navionics Marine US West on my android phones, and aside from lacking a night time mode for retaining night vision, it's pretty handy and full featured. All map data is stored locally on the device so you don't need a data connection if you are away from land. I've been waiting for this app to become available on my Nexus 7, but the developers seems to be dragging their feet.
I'm going to have to check out mobileGRIB and Pocket Grib.
I had another app that let you plot your anchor position and scope, and it would alert you if you started dragging. I forgot what it was called, but made sleeping on the hook a little easier.
be excellent to each other
Beneteau First 42