Meet Strike: a smart baseball that detects and displays speed, spin rate, and pitching trajectory, making them all available on your smartphone. The companion app visualizes the data in 3D. With its strike zone detection, you are going to have an easier time improving your accuracy.
The app charts your data, allowing you to compare your pitches with past throws. The battery life lasts 12 hours. The ball can withstand moisture and dirt. Expected to ship in July.