A comprehensive video annotation tool for sports, focusing on motion capture, angle and distance measurement, and slow-motion playback, allowing video comparison and the use of custom tools, all while being free and open-source.




ReplayR is described as 'Instant replay camera for sports. A rolling video buffer that pre-records so you can save the last 45 seconds to 12 minutes after the action happens' and is a sport video analyzer in the sport & health category. There are more than 10 alternatives to ReplayR for a variety of platforms, including Android, iPhone, iPad, Windows and Android Tablet apps. The best ReplayR alternative is Kinovea, which is both free and Open Source. Other great apps like ReplayR are Video Coach, SwingVision, Nacsport and Golf Swing Replay.
A comprehensive video annotation tool for sports, focusing on motion capture, angle and distance measurement, and slow-motion playback, allowing video comparison and the use of custom tools, all while being free and open-source.




Video coach helps you analyse and improve your sporting activities or the performance of your students or athletes if you are physical education teacher or coach.



SwingVision, an AI-powered app developed by experts from Tesla and Apple, offers automated real-time scoring, stats, and line calling for tennis players, using just an iPhone or iPad, and is officially recognized by Tennis Australia, LTA, and ITA.




Nacsport Video Analysis Software has been designed for analysing sports through video. It is available for Windows and MacOS and was developed by the Spanish company Nacsport.

Elevate your golf practice with Golf Swing Replay, the ultimate tool that bridges the gap between your perception of your golf swing and what you are really doing.




Instant Replay! Sport Camera with adjustable delay on playback. Self-analyze your actions during fitness training or workouts. Get instant feedback and develop proper muscle memory. Replay your actions using slow-motion! Boost sports workouts with Motion Detection Mode!




First real video delay application for iOS Continuously showing what just happened for quick visual feedback.
Ideal for sport coaches, PE teachers, professional athletes and dancers Or if you just don't want to look silly on the dance floor :)
Try Bust a Move (BaM) Video De.








This application is a delayed play (video delay or chase play) application.
PUSHIT is an AI-powered instant replay system for sports clubs. Permanently installed cameras capture every session. Players press a button and their highlight clip appears on their phone in seconds, automatically cropped to vertical 9:16 with AI ball tracking.




Sports video analysis tool with slow motion playback, frame-by-frame control and AI motion tracking to analyse technique.



