Turn your iPhone or iPad into a portable Golf Swing Speed sensor. ** APP FEATURES ** Swing Speed Sensor - Load videos from your Camera Roll - Calculate club head speed based on video frame capture - Optimized for both iPhone and iPad Video Analysis - Frame-by-frame analysis of swing mechanics ** IMPORTANT ** For the best / most accurate results, use videos shot with 240 FPS (slo-mo). Licensed under US Patent 8,803,913. If you have any questions or feedback, please email me at firstname.lastname@example.org. Enjoy!