Measure your golf swing speed by turning your iPhone or iPad into a portable golf swing speed sensor. - Load videos straight from your camera roll - Calculate swing speed based on slo-mo videos - Frame-by-frame video analysis tool - App includes step-by-step tutorial Note: For the most accurate results, you’ll need to use videos shot with 240 FPS (slo-mo) and filmed on the device in which you are using the app. Licensed under US Patent 8,803,913. If you have any questions or feedback, please email me at email@example.com. Enjoy!