Tennis Blackbox

Tennis Blackbox turns your iPhone into a powerful tennis match recorder and analyzer. Use a dual-device setup to capture every rally in 240fps slow motion, then review your play on an iPad or second iPhone. RECORD - Capture matches at 240fps for detailed slow-motion playback. - Seamless recording with no gaps between video segments. - Automatic frame verification ensures full quality capture. ANALYZE - Automatic court direction detection using on-device machine learning. - Ball tracking with trajectory visualization powered by OpenCV. - Browse footage with broad and detailed thumbnail timelines. MULTI-CAMERA CONTROL - Connect multiple iPhones as cameras over your local network. - Live H.264 video preview from each camera at 30fps. - Monitor up to 8 courts with smart resource management. DUAL-DEVICE SYSTEM - iPhone records your match hands-free as the camera. - iPad or second iPhone monitors and analyzes as the controller. - Devices connect automatically over local Wi-Fi. DESIGNED FOR TENNIS - Landscape interface optimized for court-side use. - Save videos to your photo library for easy sharing. - Supports 15 languages. Whether you are a coach breaking down match footage or a player looking to improve your game, Tennis Blackbox gives you the tools to see what you missed on the court.