The best portable launch monitor for the everyday golfer. Unlock a Tour-level launch monitor experience for a fraction of the cost, with seamless speed training and wedge practice powered by TheStack App. Trust our data-driven practice tools to help you dial in your distances, throw more darts, and shoot lower scores.

Measures Swing Speed and Ball Speed.  Calculates an estimated Carry Distance and Smash Factor. Can capture swing speed without ball contact
Powers Stack Wedging (iOS), our newest gamified practice feature. Enjoy Seriously Fun wedge practice indoors or outdoors and get accurate feedback regardless of range ball quality or practice environment conditions. 
Pairs with TheStack App via Bluetooth to enable advanced features. Adjust for temperature and altitude while fine-tuning ball speed and launch angle for the most accurate feedback
Purchase comes with a 90-day free trial to Stack Wedging (iOS), our newest gamified practice feature. Includes bundled access to Stack Putting (iOS), and the Learning Library (Requires TheStack Speed Trainer) Packs into your golf bag easily so you can use it at home, on the range, or the course
Set speed trigger threshold at 25, 35, 45, or 55 mph to avoid false triggers from fast backswings