好球 - 专业羽毛球运动分析 is a professional badminton sports analysis software designed to utilize powerful artificial intelligence for analyzing badminton movements. By wearing the watch on your swinging arm, it records data on smashes, forehands, backhands, overhead shots, drop shots, swing speeds, and other professional metrics. The app offers detailed insights into your badminton performance, allowing users to track and improve their game effectively.

好球 offers a subscription-based PRO membership, which can be purchased annually or as a lifetime membership. As a PRO member, you gain access to all features with continuous updates and maintenance. The subscription is auto-renewed via your iTunes account, with charges made 24 hours before the expiration. Users can manage their subscription and disable auto-renewal in the iTunes/Apple ID settings. For further details, refer to the user agreement and privacy policy provided by the developer.