PRIVACY POLICY

This Privacy Policy applies to the mobile application “Giảm mỡ nhanh 30 ngày” (the “App”), developed and published by Đặng Anh Tuấn and operated via giammonhanh30ngay.com.

This policy explains how we collect, use, store, and protect user information when you use our website, Progressive Web App (PWA), or Android mobile application.

1. Information We Collect

We may collect the following types of information:

  • Personal Information: name, email address, phone number (when you create an account, contact support, or make a purchase).
  • Account & Usage Data: login status, learning progress, workout history, app feature interactions.
  • Payment Information: payments are processed securely by third-party providers. We do not store credit or debit card details.
  • Device & Technical Data: IP address, device type, operating system, browser type, cookies, and basic diagnostics.

2. How We Use Your Information

  • Provide and operate core app features and services.
  • Manage user accounts and purchased content.
  • Track progress to improve training and user experience.
  • Maintain security, prevent abuse, and ensure system stability.
  • Comply with legal and regulatory obligations.

3. App Permissions & Data Access

Our App only requests permissions that are necessary for its core functionality:

  • Camera: used for exercise posture analysis and movement detection during training sessions.
  • Internet: used to load content, sync progress, and deliver online services.

We do not access contacts, call logs, SMS, photos, location data, or any other sensitive personal information beyond what is required for app functionality.

4. Cookies & Tracking Technologies

We use cookies and similar technologies to maintain login sessions, remember user preferences, analyze usage patterns, and support offline functionality in our PWA.

You may disable cookies via browser settings, but some features may not function properly as a result.

5. Data Sharing & Third Parties

We do not sell, rent, or trade personal data. Information may be shared only with:

  • Trusted service providers (e.g. payment processors, hosting, analytics) strictly for operational purposes.
  • Legal authorities if required to comply with applicable laws or regulations.

6. Data Security

We apply appropriate technical and organizational measures to protect your data, including encryption, access control, and regular security reviews. However, no system can guarantee absolute security.

7. Data Retention

Personal data is retained only for as long as necessary to fulfill the purposes described in this Privacy Policy or as required by law. Users may request deletion of their account and personal data at any time.

8. User Rights

  • Access, update, or correct your personal information.
  • Request deletion of your account and associated data.
  • Withdraw consent for non-essential data processing.

9. Children’s Privacy

This App is intended for users aged 18 and above. We do not knowingly collect personal data from children. If such data is identified, it will be removed promptly.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date.

11. Contact Information

If you have any questions or concerns regarding this Privacy Policy or our data practices, please contact us at:

📧 Email: [email protected]

Last updated: 2025

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