RunKeeper, one of the most popular fitness trackers for iPhone, now boasts a number of cool new features that take advantage of the M7 motion coprocessor built into the iPhone 5s — thanks to a new update that hit the App Store today. The app also supports AirDrop, allowing you to share your workouts with nearby friends.
RunKeeper Update Brings M7 Coprocessor Support, AirDrop Sharing
