Zvezdana, AI Web App

Generic sun-sign horoscopes are vague and impersonal. But real astrology scares people off the moment it gets technical, with charts, houses, and aspects. People want guidance that feels personal without having to learn the theory behind it.

I built a full subscription web app that computes a real natal chart from a person's exact birth time and place, then uses AI to turn that raw data into warm, readable guidance in plain Serbian. The whole billing and content engine sits behind it.

• A real astronomy engine that builds the natal chart from birth time and place
• AI-written natal, monthly, yearly, and partner readings, plus an astrologer-style chat
• Multi-model AI (Gemini, Claude, GPT) routed server-side and swappable per plan
• Subscriptions and one-off purchases metered by an entitlements engine (PayPal)
• 150+ programmatic SEO pages (per-sign, compatibility, numerology) plus free calculators

• Anyone gets personal, accurate guidance with zero astrology knowledge
• A self-serve product: free taste to paid, credited automatically and safely
• The SEO pages and calculators bring in signups on their own