StrokeScope Privacy Policy
1. Who We Are
StrokeScope is a tennis coaching platform operated by Your Coach Cayman LTD, a company registered in the Cayman Islands. We provide AI-powered video analysis, coaching tools, and progress tracking for tennis players and coaches worldwide.
2. What Data We Collect
Account Information
- Full name
- Email address
- Date of birth
- Role (Player or Coach)
- Password (stored securely, never readable by us)
Video and Session Data
- Videos you record using StrokeScope
- AI-generated analysis (scores, observations, strengths, weaknesses)
- Session type, date, and duration
- Skill snapshots and development trends
Biometric and Pose Data
When you record a session, StrokeScope uses MediaPipe (a Google technology) to detect body pose landmarks from your video. This data is used solely to enhance AI coaching analysis. We do not sell, share, or use this data for any other purpose.
Coach-Specific Data (Coach accounts only)
- Player profiles and contact information
- Lesson schedules and bookings
- Invoice and billing information
- Google Calendar connection (if enabled)
- Academy and business name
Payment Information
Payment details are processed directly by PowerTranz and are never stored on StrokeScope servers. We only store your subscription status and billing history.
Subscriptions bought in the iOS app are processed by Apple through your Apple ID. Apple handles your payment details; we receive only the transaction and subscription status needed to unlock your plan.
Technical Data
- IP address
- Browser type and device information
- Usage logs
3. How We Use Your Data
We use your data to:
- Provide and operate the StrokeScope platform
- Generate AI coaching analysis from your videos
- Track your tennis progress over time
- Send session analysis reports
- Process subscription payments
- Send service emails
- Improve our AI analysis models (anonymized, aggregated data only)
- Comply with legal obligations
We do NOT:
- Sell your personal data to third parties
- Use your videos for advertising
- Share your data with any party not listed in this policy
4. Third-Party Data Processors
- Google (Gemini AI) — AI video analysis — Video content, pose data
- Google (Calendar API) — Schedule integration — Calendar events, player names
- Supabase — Database and file storage — All user data — AWS US-East
- Resend — Email delivery — Name, email, analysis content
- PowerTranz — Payment processing — Payment card details — Bermuda/Caribbean
- MediaPipe (Google) — Pose tracking — Processed locally on your device only
5. Children's Privacy
StrokeScope is available to users of all ages. For users under 13 years old, we require verifiable parental consent before an account is created.
- Players under 13 may only use StrokeScope if a parent or guardian has consented
- Coaches adding players under 13 confirm they have obtained parental consent
- We apply special protections to data belonging to minors
- Parents may request deletion of their child's data at any time by contacting info@yourcoachcayman.com
We comply with the Children's Online Privacy Protection Act (COPPA) for US users and equivalent laws in other jurisdictions.
6. Data Retention
We retain your data for as long as your account is active. You can request account deletion at any time by logging into StrokeScope and going to Settings → Delete Account. When you close your account:
- Your personal information, videos, and analysis data will be permanently deleted within 14 days of your deletion request. You can cancel the deletion by logging back in during this 14-day window
- Payment records may be retained for up to 7 years for legal and tax compliance
- Anonymized aggregated data may be retained indefinitely to improve our service
7. Your Rights
Depending on where you live, you may have the right to:
- Access the personal data we hold about you
- Correct inaccurate data
- Delete your data (right to erasure)
- Object to certain uses of your data
- Export your data in a portable format
- Withdraw consent at any time
To exercise any of these rights, contact us at info@yourcoachcayman.com. We will respond within 30 days.
EU/EEA users: You have additional rights under GDPR. You may also lodge a complaint with your local data protection authority.
Cayman Islands users: You have rights under the Data Protection Act 2017.
8. Data Security
- All data is transmitted using HTTPS/TLS encryption
- Videos and personal data are stored in encrypted cloud storage
- Access to your data is restricted to you and, if applicable, your coach
- Row-level security policies ensure users can only access their own data
No system is 100% secure. If we become aware of a data breach, we will notify you promptly.
9. Cookies and Tracking
- Session cookies: required for you to stay logged in
- No advertising cookies
- No third-party analytics
10. International Data Transfers
Your Coach Cayman LTD is based in the Cayman Islands. Your data may be processed in other countries where our processors operate. We ensure appropriate safeguards are in place for all international transfers.
11. Changes to This Policy
We may update this Privacy Policy from time to time. We will update the Last updated date and notify you by email if changes are significant.