Privacy Policy

Last updated: 4 February 2026

1. Information We Collect

Account Data

When you create an account, we collect:

  • Email address
  • Name (optional)
  • Password (stored securely hashed)

Subscription Data

For paid subscriptions, payments are processed by Stripe. We store:

  • Your plan type and status
  • Subscription dates
  • Stripe customer ID (for billing management)

We do not store your payment card details. These are handled securely by Stripe.

Desktop App Data

GrindGuard does not collect poker hand histories or gameplay data. Most usage data stays local to your device, including:

  • Session records and history
  • Fatigue test results
  • Personal baseline calibration
  • App settings and preferences

Download Logs

When you download the software, we log:

  • Download timestamp
  • Platform (macOS/Windows)
  • Version downloaded

2. How We Use Your Information

We use your information to:

  • Provide and maintain the GrindGuard service
  • Process subscriptions and payments
  • Send important service notifications
  • Respond to support requests
  • Improve the software based on aggregate usage patterns

3. Data Sharing

We do not sell your personal data. We share data only with:

  • Stripe: For payment processing
  • Email service providers: For transactional emails (password resets, etc.)
  • Legal authorities: When required by law

4. Data Security

We implement industry-standard security measures:

  • Passwords are hashed using bcrypt
  • All connections use HTTPS/TLS encryption
  • Access tokens expire regularly
  • Database access is restricted and monitored

5. Data Retention

We retain your account data while your account is active. You may request account deletion at any time by contacting support. Upon deletion:

  • Account data is permanently deleted
  • Subscription data is anonymised for record-keeping
  • Local app data remains on your device until you remove it

6. Your Rights

You have the right to:

  • Access your personal data
  • Correct inaccurate data
  • Request deletion of your data
  • Export your data
  • Withdraw consent where applicable

7. Cookies

We use essential cookies for:

  • Authentication (session management)
  • Security (CSRF protection)

We do not use tracking or advertising cookies.

8. Changes to This Policy

We may update this policy from time to time. We will notify you of significant changes via email or through the service.

9. Contact

For privacy-related questions, contact us at privacy@grindguard.com.