ServeFix: Tennis Serve Coach

Your elbow is too low at contact. Your toss drifts behind your head. ServeFix sees it — you can't. Record a serve, get your #1 fix and a drill in seconds. No cloud. Video never leaves your phone. ServeFix analyzes your serve technique in seconds — toss, trophy pose, hip rotation, contact height, knee bend, and stance. Your first analysis is free: see your serve with the skeleton overlay, your #1 mistake to fix, and the one thing you're already doing well. No sensors. Built for players who practice alone and want real feedback without a $30/month subscription or a court-mounted camera. WHY SERVEFIX Most tennis apps either measure serve speed or record full matches. ServeFix does something different: it breaks down your serve technique and tells you what to fix. It's a serve coach in your pocket — not a radar gun, not a match tracker. HOW IT WORKS 1. Record a serve or upload from your library (3-15 seconds) 2. Stand side-on so your full body is visible 3. Free: your serve video with skeleton overlay, your #1 mistake and its fix, and your #1 strength 4. Pro: the full ranked fix list, a drill for every issue, unlimited re-tests, and your analysis history WHAT WE CHECK - Toss placement at trophy - Elbow height in the trophy pose - Hip rotation through contact - Contact height and extension - Knee bend in the loading phase - Stance angle BUILT FOR PRIVACY - Video stays on your device — never uploaded - No account or sign-in - Anonymous usage stats only — your video never leaves your phone - Optional: save your clip to Photos SERVEFIX PRO (OPTIONAL) - Unlimited serve analyses - Every ranked fix, not just the first - Personalized drill guidance for each issue - Full analysis history and side-by-side comparisons - Same on-device privacy Perfect for beginner and intermediate tennis players who want to improve their serve technique without expensive coaching or equipment. Questions? support@servefix.vlastis.org Terms of Use (EULA): https://servefix.vlastis.org/terms Privacy Policy: https://servefix.vlastis.org/privacy