Privacy Policy

Committed to protecting your privacy

Last updated: July 1, 2026

Welcome to rayQuiz! We are committed to protecting your privacy and handling your personal data responsibly. This policy explains how we collect, use, and protect your information when you use our services.

1. Information We Collect

1.1 Information You Provide Directly

  • Account information: When you register, you provide an email address, display name, and password (securely hashed).
  • Profile information: Your profile picture, role (student/teacher), and other optional details.
  • User content: The quizzes you create, your answers, comments, and other interactions on the platform.
  • Payment information: When purchasing a subscription, transactions are processed through VPBank, and we retain only the details needed to confirm payment.

1.2 Information Collected Automatically

  • Usage data: Time spent on quizzes, scores, learning progress, and activity history.
  • Technical data: IP address, browser type, device, and operating system information used to optimize your experience.
  • Cookies: We use cookies to keep you signed in and to improve our services.

2. How We Use Your Information

  • Provide our services: Operate the platform, process quizzes, calculate scores, and store learning progress.
  • Personalization: Recommend relevant quizzes, adjust difficulty, and improve your learning experience.
  • Communication: Send important notifications about your account, feature updates, or policy changes.
  • Analytics & improvement: Study how users interact with the platform to develop new features and enhance service quality.
  • Security: Detect and prevent fraud, abuse, or activities that violate our terms.

3. Sharing Your Information

We do not sell your personal information. Your information is only shared in the following cases:

  • With teachers: If you are a student in a class, your teacher may view your quiz results and learning progress.
  • Service providers: Third parties that help us operate (data storage, payment processing) under strict confidentiality commitments.
  • Legal requests: When required by competent authorities in accordance with Vietnamese law.
  • Protecting our rights: To protect the rights, property, or safety of rayQuiz and our users.

4. Data Security

We apply industry-standard security measures to protect your information:

  • SSL/TLS encryption for all connections.
  • Passwords are hashed using the secure bcrypt algorithm.
  • Monitoring and intrusion detection systems.
  • Regular data backups and strict access controls.

5. Your Rights

You have the following rights regarding your personal data:

  • Access: View the personal information we hold about you.
  • Correction: Update inaccurate or outdated information.
  • Deletion: Request deletion of your account and related data (except data required for legitimate legal or business purposes).
  • Data export: Download a copy of your personal data.
  • Opt out of marketing: Unsubscribe from promotional emails at any time.
  • To exercise these rights, please contact us at: [email protected]

6. Data Retention

  • Account data is kept for as long as you use the service, and for a reasonable period after account deletion to resolve any outstanding issues.
  • Quiz and score data may be retained indefinitely for analytics and service improvement (in anonymized form if you delete your account).
  • System logs are kept for up to 12 months for security and debugging purposes.

7. Third-Party Services

rayQuiz uses the following services:

  • Google Analytics: Traffic analysis (you can opt out via your browser settings).
  • Socket.io: Provides real-time features for exam rooms.
  • VPBank: Secure payment processing.
  • Google Gemini / OpenAI: AI-assisted quiz generation (data is handled according to these providers' policies).

8. Children

rayQuiz is intended for all ages, but users under 16 should have parental or guardian consent and supervision. We do not knowingly collect information from children under 13 without parental consent.

9. Changes to This Policy

We may update this policy over time. Significant changes will be communicated via email or a notice on the website. Continuing to use the service after changes take effect means you accept the updated policy.

10. Contact Us

If you have questions about this privacy policy or how we handle your data, please contact us:

By using rayQuiz, you confirm that you have read, understood, and agreed to this Privacy Policy. We are committed to protecting your privacy and continually strive to deliver a safe and effective learning experience.