Uncrate.com with some details: It’s laden with sensors to deliver metrics like velocity, distance traveled, spin rate (RPMs), spiral efficiency, and a composite score that gives you an at-a-glance read on each throw. The app also lets you play out real-life scenarios like last-minute drives by applying your scores to a game simulation featuring real NFL teams and players.
https://www.youtube.com/watch?v=sDKF0rO2m2g