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Just your phone. Prop it on the fence or a bag at roughly net height, film a serve or rally from the side, and upload the clip. No sensors, wearables, or special cameras required.

Right now SwingAI analyzes your serve. Forehand and backhand are coming next — each scored on its own model, so the feedback is specific to that shot.

Most clips are processed within a couple of minutes. If a job takes longer than expected, keep the app open or check back shortly — you'll get a notification when your results are ready.

SwingAI tracks 30 body and racket keypoints per frame at up to 120fps to reconstruct your motion in 3D. It's built to surface the same things a good coach would spot on video — contact point, racket path, rotation, and timing. For best results, film in good light with your whole body in frame.

Your clips are yours. Raw videos are processed to generate your analysis and auto-deleted within 24 hours. Nothing is ever sold or shared, and we never use your data to train AI models. See our Privacy Policy for full details.

Subscriptions are billed through your Apple ID. To manage or cancel, open the iOS Settings app, tap your name, then Subscriptions, and select SwingAI. Cancelling stops future renewals; you keep access until the current period ends.

In the app, go to Settings → Delete Account. This removes your account and all associated analysis data. Deletion completes within 30 days. If you need help, email us and we'll take care of it.

First, make sure you're on the latest version from the App Store and that you have a stable internet connection. If the problem persists, email support with your device model, iOS version, and a short description of what happened, and we'll get you sorted.