Privacy Policy

Last updated: July 23, 2026

This privacy policy governs your use of the software application CrossMath ("Application") for mobile devices, which was created by Baiduca.

1. What information does the Application obtain and how is it used?

User Provided Information: The Application does not require any registration or user account to be created. We do not collect or store personal information such as your name, email address, or physical address.

2. Automatically Collected Information & Third-Party Services

The Application uses third-party services that may collect information used to identify you. These services help us support the app through advertising and analyze game performance:

2.1 AdMob Consent for European Users (GDPR)

For users residing in the European Economic Area (EEA) or the United Kingdom (UK), we present a consent dialog to collect consent before showing personalized ads, in compliance with GDPR. Non-personalized ads may still be shown if consent is declined.

3. Children's Privacy

We do not use the Application to knowingly solicit data from or market to children under the age of 13. If a parent or guardian becomes aware that his or her child has provided us with information without their consent, he or she should contact us at the email address listed below, and we will delete such information from our files within a reasonable time.

4. Security

We are concerned about safeguarding the confidentiality of your information. Please be aware that, although we endeavor to provide reasonable security for information we process and maintain, no security system can prevent all potential security breaches.

5. Changes

This Privacy Policy may be updated from time to time for any reason. We will notify you of any changes by posting the new Privacy Policy here and updating the "Last updated" date above.

6. Contact Us

If you have any questions regarding privacy while using the Application, or have questions about our practices, please contact us via email at baiducasoft@gmail.com.