Privacy policy

Study progress and language preference are stored locally in your browser (localStorage). No account is required for the free tier (Mathematics and Statics).

When you sign in and purchase a pass, we link entitlement to your account (email and user id) in our database so you can restore access on other devices. The browser may still keep a local copy for immediate UX.

When Stripe is enabled, the payment provider may process your email and payment details under its own policies. CivilForge only needs payment confirmation and pass duration — card numbers are not stored on our servers.

Anonymous page analytics (such as Vercel Analytics) may be used to understand aggregate usage. You can clear browser data anytime to remove local progress; account-linked entitlement remains until it expires or you request deletion.