Privacy Policy

What we collect

• Email address and display name — when you create an account with email and password.
• Google profile data (email and name only) — when you sign in with Google. We do not access Google Drive, Contacts, or any other Google services.
• Practice record data — lesson progress and scenario attempt history, saved to your account when you are signed in. Guests store practice data in their browser only (see Data retention below).

How we use it

• To save your practice record across devices when you are signed in.
• To send password reset emails for email/password accounts. We do not send marketing emails.
• To measure aggregate, anonymous usage (e.g., how many sessions were started) so we can improve the app. Individual users are never identified in analytics.

Third-party services

We use the following services to operate the app:

• Supabase — database and authentication infrastructure. Your account data and practice records are stored on Supabase servers.
• Google OAuth— optional sign-in provider. If you use “Continue with Google,” Google shares your email and name with us for account creation only.
• Vercel — hosting provider and anonymous page-view analytics. Vercel Analytics does not use cookies and does not track individual users.
• Resend — transactional email delivery used to send password reset emails for email/password accounts. Resend receives your email address only to deliver the reset message.

What we do not do

• We do not sell your data. We do not share your data with third parties beyond the services listed above.
• We do not use your data for advertising.
• We do not collect sensitive data such as location, financial information, or health records.

Data retention

• Account data (email, display name, practice records) is retained until you delete your account.
• Guest practice datais stored only in your browser's local storage and is never sent to our servers. Clearing your browser data removes it.

Contact

Questions about this policy? Contact: hello@tanktopump.com