So you want to become a better runner? STEPP is a smart wearable device that speaks to you to provide real-time coaching. It analyzes your every motion to minimize your mistakes and keep you injury free. With this tool, you can keep an eye on your contact angle, contact time-fly ratio, and other data points.
STEPP lets you share your data with others. The companion app is available for iOS and Android. The device is water resistant and 9-axis motion sensors. Expected to ship in 2017.