Privacy Policy

Welcome to Arithmetic Training. This 3D application is developed and operated by yt-Studio (“we,” “us,” or “our”). We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains how we collect, use, and share information when you use our Arithmetic Training application on Meta Quest.

1. Information We Collect

Information You Provide Directly

Arithmetic Training does not require user registration, so we do not collect personally identifiable information (PII) such as your name, email address, or contact details.

Device Information

We may collect non-personally identifiable device information such as:

･Device model

･Operating system version

･Connection status

This information is collected solely to ensure functionality and performance of the application.

Application Usage Data

We do not collect any application usage data that can be used to identify individuals.

2. How We Use Information

We use collected information for the following purposes:

･To provide, maintain, and improve Arithmetic Training (e.g., bug fixes, performance enhancements).

･To respond to user support requests and resolve technical issues.

･To send important notifications about the app (e.g., updates, policy changes).

3. Sharing of Information

We do not sell or rent your personal information to third parties.

We may share non-personally identifiable information with service providers only as necessary to operate and maintain the app’s functionality.

4. Information Security

We implement reasonable and appropriate technical and organizational measures to protect your information from unauthorized access, disclosure, or misuse. However, no method of transmission over the Internet is 100% secure.

5. Your Rights and Choices

You have the right to:

･Access the data we may have collected (if any)

･Request correction of inaccurate data

･Request deletion of your data

To request access, correction, or deletion of your data, please contact us at the email address provided below. We will respond within 30 days in accordance with applicable privacy laws.

6. Data Deletion Process

If you would like us to delete any data that may have been collected through the Arithmetic Training application, please email us at:yuki22683@gmail.com

Include the subject line: Data Deletion Request - Arithmetic Training

Please describe your request and any identifying information necessary to locate your data (if any).

Note: Since we do not collect PII by default, we may not be able to associate data with specific users, but we will make every effort to accommodate your request.

7. Children’s Privacy

Arithmetic Training is not intended for children under 13 years of age. We do not knowingly collect personal information from children. If you believe a child’s information has been collected unintentionally, please contact us immediately and we will delete such information.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. The most current version will always be available within the app and on our website. Any material changes will be communicated through app updates or notifications.

9. Contact Us

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

Email: yuki22683@gmail.com

By using Arithmetic Training, you agree to the terms outlined in this Privacy Policy. Thank you for choosing our app!