Privacy Policy

Last Updated: January 11, 2026

1. Who We Are

LessonHUB is operated by QuantifyThis ("we," "us," or "our"). This Privacy Policy explains how we collect, use, and protect personal data when you use our website, apps, and services.

If you have questions about this policy or your data rights, contact us at contact@quantifythis.com.

2. Personal Data We Collect

  • Account data: name, email address, password (hashed), role, profile image, timezone, language preference, and optional bio fields.
  • Learning data: lesson assignments, submissions, scores, comments, progress, and related activity.
  • Usage data: device identifiers, IP address, browser type, and login events.
  • Billing data: payment status, coupons redeemed, and related metadata.

3. Legal Bases for Processing (GDPR)

  • Contract: to provide your account, lessons, and core services.
  • Consent: for optional analytics/marketing cookies and communications where required.
  • Legitimate interests: to improve the platform, prevent abuse, and secure our services.
  • Legal obligations: to meet financial, tax, or regulatory requirements.

4. How We Use Personal Data

  • Create and manage accounts and lesson delivery.
  • Send service emails (assignments, reminders, grading updates).
  • Provide support and respond to inquiries.
  • Improve the user experience and platform performance.
  • Detect, prevent, and address fraud or abuse.

5. Cookies and Tracking

We use essential cookies to keep LessonHUB secure and functional. Optional analytics and marketing cookies are used only with your consent. You can update your cookie preferences at any time below.

6. Sharing and Processors

We do not sell your personal data. We may share it with trusted service providers that help us operate LessonHUB, such as hosting, email, and analytics vendors. These providers process data under strict confidentiality and security obligations.

7. International Transfers

If you access LessonHUB from outside the United States, your data may be transferred and processed in countries with different data protection laws. We use contractual safeguards where required.

8. Data Retention

We retain personal data for as long as your account is active and as needed to provide services, comply with legal obligations, resolve disputes, and enforce agreements. When data is no longer needed, we delete or anonymize it.

9. Your GDPR Rights

If you are located in the EEA, UK, or Switzerland, you may have the right to access, correct, delete, restrict, or object to processing of your personal data, and to request data portability. You may withdraw consent at any time.

You can delete your account from the profile page. You can also request a copy of your data from the same page. Contact us if you need further assistance.

10. Security

We use administrative, technical, and physical safeguards to protect data. No system is completely secure, so we cannot guarantee absolute security.

11. Children's Privacy

LessonHUB is not intended for children under 13. We do not knowingly collect personal data from children under 13.

12. Updates to This Policy

We may update this policy from time to time. The latest version will be posted on this page with the revised date.