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AI Astrology SaaS

AstraBrain

An AI astrology app that computes the exact chart with real astronomy and lets the AI only write the human reading, so it never makes the stars up.

10
languages
3.5K+
SEO pages, across 10 languages
3
ways to pay
Open product ↗

The problem

AI astrology apps let the AI guess where the planets are, so people get confident nonsense dressed up as insight. The hard part, the astronomy, is exactly where an AI makes things up.

What I did

I split the system in two. Real astronomy software computes the exact chart on the backend, and the AI only gets finished numbers to turn into a warm, readable report. It never touches the math, so it cannot get the stars wrong.

Engineering decisions

  1. 01

    Real astronomy, not a guess

    The chart runs on the same astronomy engine professionals use, computing positions to the exact degree. A wrong degree ruins a whole reading, so this part is never left to the AI.

  2. 02

    The AI stays on rails

    The AI is handed the numbers and asked for a structured answer, not free prose, so every reading comes back in a shape the app can trust, the same way each time.

  3. 03

    Found by tens of thousands of searches

    The whole catalog is generated across ten languages into tens of thousands of pages people find on search, which brings in free organic traffic instead of paid ads.

  4. 04

    Pays instantly, three ways

    It takes payment three ways (Telegram Stars, crypto and a bonus balance), and the moment money lands the content unlocks on its own, with no refresh and no way to slip past the paywall.

Screens

Outcome

A live Telegram app and website in ten languages: exact astrology from real astronomy, personalized readings a person enjoys, a chapter-by-chapter “Book of Life”, a daily-push subscription, three ways to pay, and tens of thousands of pages that pull in organic traffic.

Built with

  • Next.js 16
  • React 19
  • Supabase (Realtime)
  • Gemini
  • swisseph (C)
  • React Three Fiber
  • grammy