The iPhone, being without a built-in turn-by-turn navigations app, has found itself with a number of third-party options. We've test a lot of them and found the best to be Waze, the free socially-aware app with live traffic and plenty of other awesome features. Platform: iPhonePrice: FreeDownload Page Waze provides pretty good turn-by-turn directions, with an automated voice that tells you where to go and a very subtle sound effect to let you know when you messed up and the route is being recalculated...
