A calmer, more immersive Karta Polaka interview practice space with guided lessons, personalization, favorites, audio, and mock interview preparation tied to the same account as your document tracker.
Users can sign in once, save their ancestry research, and then upgrade into a paid 30-day interview study guide without creating a second account. That gives us a cleaner path into personalized lesson funnels and later cross-device saving.
Your recovered course already supports a global profile, lesson-specific details, favorites, scratch covers, and mock interviews.
Users can sign in with the same email-link flow used by the research tracker, so the course area feels like part of the same product.
The offer is simple: a paid 30-day web study guide for focused interview prep, rather than an open-ended or confusing subscription.
Stripe checkout can grant access automatically and set the course expiration date without you having to edit Firestore by hand.