XU-Portfolio

Privacy Policy

This Privacy Policy explains how we ("we", "our", "us") collect, use, and protect information when you use any of our published software products, including mobile applications and related services.

Publisher / Data Controller: Zhihui Xu (Individual Developer)

This Privacy Policy applies to the apps listed below and other apps published under the same developer entity, unless a specific app provides a separate privacy policy.

Covered Apps

Last Updated: 2026-05-28


1. Information We Collect

Depending on how you use our software products, we may process the following categories of data:

Different apps may collect different data fields. The specific disclosure shown within each app shall prevail.

We only collect data that is relevant to the current app's features and operation. We do not collect information unrelated to the current app.

We do not intentionally collect sensitive personal data unless clearly disclosed in-app and required for a feature you choose to use.

2. How We Use Information

We use collected information to:

3. Legal Basis and Consent

Where required by applicable law, we process data based on your consent, contractual necessity, legitimate interests, and/or legal obligations.

4. Third-Party Services

Our software products may use third-party services (for example, analytics, crash reporting, cloud hosting, or ads). These providers may process data under their own privacy policies.

We use Google Ads and Google AdMob to serve ads, support product operations, and measure ad performance. These services may collect and process data such as advertising identifiers, IP address, device information, and interaction events according to Google's policies.

For more details, please refer to Google's privacy information: https://policies.google.com/privacy

5. Data Sharing

We do not sell personal data. We may share limited data only when necessary:

6. Data Retention

We retain data only as long as necessary for the purposes described in this policy, unless a longer retention period is required by law.

7. Security

We implement reasonable technical and organizational safeguards to protect information. However, no method of transmission or storage is 100% secure.

8. Children's Privacy

Our software products are not directed to children under 13 (or the minimum age required in your country), and we do not knowingly collect personal information from children. If you believe a child has provided personal data, contact us and we will delete it.

9. Your Rights

Depending on your location, you may have rights to:

10. International Data Transfers

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

11. Changes to This Policy

We may update this Privacy Policy from time to time. Updates will be posted on this page with a revised "Last Updated" date.

12. Contact Us

If you have any questions or requests about this Privacy Policy, contact us at: xuzhihuieateat@gmail.com