Privacy Policy

Introduction

Rival Chess ("we", "us", or "our") respects your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application and website.

Data We Collect

We collect the following types of information to provide and improve our service:

• Account information: display name and authentication credentials (via Apple Sign-In or Google Sign-In).
• Gameplay data: game history, moves, results, ratings, and rank progression.
• Device information: device type, operating system, and app version for compatibility and troubleshooting.
• Purchase information: transaction records for in-app purchases, processed securely by Apple or Google.

How We Use Your Data

• Provide, maintain, and improve the Rival Chess experience.
• Match you with opponents at your skill level.
• Analyze aggregate usage patterns to improve our AI opponents and game features.
• Respond to support requests and communicate important service updates.

Data Sharing

We do not sell your personal data. We only share information with third-party service providers necessary to operate our service (such as cloud hosting and authentication providers), and only to the extent required to perform their functions.

Data Storage & Security

Your data is stored securely using industry-standard encryption and security practices. We use Supabase for our backend infrastructure, which provides enterprise-grade security and data protection. We retain your data for as long as your account is active.

Children's Privacy

Rival Chess is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected data from a child under 13, please contact us and we will promptly delete it.

Your Rights

Depending on your location, you may have the following rights regarding your personal data:

• Access the personal data we hold about you.
• Request deletion of your account and associated data.
• Request a copy of your data in a portable format.
• Opt out of non-essential communications.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the updated policy in the app or on our website. Your continued use of Rival Chess after changes are posted constitutes acceptance of the updated policy.

Contact Us

If you have questions about this Privacy Policy or wish to exercise your data rights, contact us at support@rivalchess.app