Privacy Policy

Effective date: October 20, 2025

This Privacy Policy explains how Vanhieu (“we”, “our”, or “us”) collects, uses, and protects your information when you use the mobile application (“the App”).

Information We Collect

  • Account & Contact Data (e.g., email if you sign in or contact support).
  • Usage Data (app interactions, screens viewed, basic analytics).
  • Device & Logs (device model, OS version, crash logs, IP address).
  • Optional Data that you choose to provide (e.g., feedback or attachments).

How We Use Information

  • Provide and improve the App’s functionality and performance.
  • Troubleshoot, detect, and prevent errors or abuse.
  • Communicate updates, security notices, and support responses.
  • Comply with legal obligations.

Sharing & Third Parties

We do not sell your personal data. We may share limited data with service providers (e.g., analytics, crash reporting, cloud hosting) strictly to operate the App, under appropriate data protection terms, and only for the purposes described above.

Data Retention

We retain data only as long as necessary for the purposes stated in this Policy, unless a longer retention period is required or permitted by law.

Your Rights

Depending on your location, you may have rights to access, correct, delete, or restrict processing of your personal data, and to object or request portability. To exercise these rights, contact us using the details below.

Children’s Privacy

The App is not directed to children under the age where parental consent is required by local law. If you believe we have collected data from a child without consent, please contact us and we will take appropriate action.

Security

We implement reasonable technical and organizational measures to protect your information. However, no method of transmission or storage is completely secure.

International Transfers

Your information may be processed in countries other than your own. Where required, we use appropriate safeguards for cross-border data transfers.

Changes to This Policy

We may update this Policy from time to time. We will post the updated version and revise the “Effective date” above.