Tennis Radar: Ball Speed Gun
Tennis speed from serve video
About
This tool analyzes videos of your tennis shots to calculate ball speed. It uses your racket's length as a reference for precise velocity readings in km/h or mph, all processed offline on your device.
What's New in Tennis Radar
1.00.13
July 25, 2026
Stability improvement
Subscription plans
Full version
Advanced feature: statistics, projects overview
Developer apps
FAQ
How does Tennis Radar calculate ball speed?
Tennis Radar analyzes videos of your shots by using the standard length of a tennis racket as a physical scale. It calculates the exact distance the ball travels between video frames to determine its velocity.
Can I use Tennis Radar offline?
Yes, Tennis Radar is 100% offline and private. All video processing and speed calculations are done locally on your device, with no internet connection or cloud uploads required.
What is the accuracy of Tennis Radar?
The app aims for high precision by using frame-by-frame navigation, pinch-to-zoom for pixel-perfect accuracy, and supporting high-framerate slow-motion videos. For best results, film from a perpendicular angle.
Does Tennis Radar have ads?
No, Tennis Radar does not contain advertisements. The app is free to download and use, with optional in-app purchases available.
What devices does Tennis Radar support?
Tennis Radar is available for iPhone and iPad devices, indicated by its support for these platforms.
What is the age rating for Tennis Radar?
Tennis Radar has an age rating of 4+, making it suitable for a wide range of users interested in tennis analysis.
How often is Tennis Radar updated?
The latest version of Tennis Radar is 1.00.13, and it was last updated on July 25, 2026. This indicates a recent update and ongoing development.
What are the subscription options for Tennis Radar?
Tennis Radar offers a 'Full version' subscription for $0.99 per 7 days. This likely unlocks additional features or removes limitations present in the free version.