SwimCoach

Freestyle stroke analysis, entirely on your iPhone

Film a lap from the pool deck, or import a clip you already have. A neural network reads pose keypoints from every frame and turns them into a technique score, the faults it found, when they happened, and the drills that address them.

What you get

• A 0–100 technique score for every swim, with the trend across sessions
• Detected faults — body sag, elbow collapse, knee overbend, kick rate, stroke asymmetry
• A skeleton overlay on your own video, so you can see what the model saw
• Drills matched to the faults you actually have
• Three real swims built in, so you can see it work before you go to the pool

Private by construction

No account, no sign-in, no network requests. Your videos, the pose data and every result stay on your iPhone. No analytics, no tracking, no third-party SDKs. Read the privacy policy.

Help

Filming tips, common questions and how to get in touch are on the support page.

SwimCoach analyses freestyle technique. It is a training aid, not a medical or diagnostic tool.