New tennis racquet sensor soars on Kickstarter

May 27, 2014

Challenger is an amazing new smart device that empowers both tennis players and their coaches with incredibly comprehensive stats. Challenger fits onto your racket like a normal dampener in seconds. With it securely in place, it gives you real-time performance stats and audio feedback on every swing … right from the court. Via its touchscreen display, instantly track head speed, ball spin, impact, stroke count/type and much more.

Network with other Challenger users and share game stats and video with friends and coaches for an unparalleled training experience. Challenger works as a standalone device or connects wirelessly to your smartphone via its intuitive app.


You can learn more about Challenger on the Kickstarter page at