Tennis Blackbox

Record and analyze your tennis matches in real-time with multi-camera support. Now with live H.264 video streaming for smoother, sharper court monitoring.

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.