We collect the minimum needed to run the service: your email address (used for checkout, sign-in, and unlocking your purchase) and basic purchase records (what was bought, when, and the Stripe transaction reference). We do not see or store your card details — payment information is handled entirely by Stripe, our payment processor.
Your email is used to verify your purchase, send sign-in links, send your receipt, and respond to support requests. We do not sell or rent your personal information to anyone.
Account and purchase data are stored with our infrastructure providers: Supabase (authentication and database), Vercel (hosting), and Stripe (payments). Each maintains its own industry-standard security practices.
We use the minimum necessary: a session token so you stay signed in, and local browser storage for your reading preferences (reading position, dark/paper mode, voice and speed choices). We do not run third-party advertising trackers.
Pages of the handbook you view display your account email as a visible watermark. This is a license-protection feature of the product.
You may request a copy of the personal data we hold about you, or ask us to delete your account data, by emailing support@example.com. Note that deleting your account data ends your access to the handbook, and certain purchase records may be retained where required for tax or accounting purposes.