As riding and looking at a route map on one's Smartphone are not usually ideal simultaneous activities, we decided to check out Co-Rider, an app by Applied Phasor out of Copenhagen.
The basic premise is that you plug in your route, and co-rider offers voice instruction, turn by turn, via GPS. One can select a variety of visual options, as depicted by the same route show twice in the photos later in this blog post.
I asked my girlfriend -- a very picky and professional cyclist -- to try out this app while she was biking to her Spanish class here in the very busy city of Buenos Aires. Her synopsis:
She also noted that she liked the voice directions; they made sense for bicycle riding re timing, for example