There’s no shortage of iPhone navigation apps out there, but we can’t say we’ve seen too many that come with 1.6GB of offline map data — especially for free. That’s the hook for NavFree USA, which just went live in the App Store — sure, it also has some interesting social features like crowdsourced map updates and navigating to friends, and you can buy add-ons like traffic and speed camera info, but we think most people will use the free turn-by-turn and call it a day. That is, until Apple builds navigation directly into the OS . PR after the break. Continue reading NavFree launches free US iPhone navigation app with offline map data NavFree launches free US iPhone navigation app with offline map data originally appeared on Engadget on Mon, 20 Dec 2010 18:41:00 EDT. Please see our terms for use of feeds . Permalink