Privacy Policy

Last updated: May 2026

ChessOnSteroids ("we", "our", or "us") operates the ChessOnSteroids Chrome extension and the website at chessonsteroids.com. This policy explains what data we collect, why we collect it, and how it is used.

What we collect

• Google account email address — used to identify your account and link your subscription status.
• Google account profile (display name, profile picture) — displayed in the extension control panel only. Not stored on our servers.
• Subscription status — whether your subscription is active, trialing, or expired. Stored in our database and updated via Stripe.
• Trial game count — the number of free trial games you have used. Stored server-side to prevent manipulation.
• Stripe billing information — payment details are handled entirely by Stripe and are never seen or stored by us. We only store your Stripe customer ID to manage your subscription.

What we do not collect

• We do not collect or store your chess game moves or history.
• We do not collect browsing history.
• We do not sell or share your data with third parties for advertising.
• We do not use cookies or tracking pixels on our website.

How we use your data

• To verify your subscription and unlock engine features in the extension.
• To process payments and manage billing via Stripe.
• To enforce the 3-game free trial limit.

Third-party services

• Google OAuth — used for sign-in. Subject to Google's Privacy Policy.
• Stripe — used for payment processing. Subject to Stripe's Privacy Policy.
• Firebase (Google) — used for hosting and our database. Subject to Firebase's Privacy Policy.

Data retention

Your account data (email, subscription status, trial count) is retained for as long as your account exists. You can request deletion by contacting us at the email below.

Your rights

You can request access to, correction of, or deletion of your personal data at any time by contacting us at support@chessonsteroids.com.

Changes to this policy

We may update this policy from time to time. The date at the top of this page reflects the most recent revision.

Contact

Questions? Email us at support@chessonsteroids.com.