Nothing else comes close
There are a lot of foot pods around for running, but nothing collects, analyzes and displays data about your stride anywhere close to what the Runscribe pods do. The app (and complementary web site) are easy to use, intuitive, stable, powerful and visually stunning. The whole package of hardware and software are truly an engineering marvel and powerful tools for runners, coaches and physical therapists. I saw a picture of Eliud Kipchoge (current fastest marathon runner in the world) wearing a pair.