How to build an astrology app for iOS
What an astrology app needs
- An onboarding flow that collects birth date, exact time, and location
- A birth chart: sun, moon, rising, and the major planetary placements
- Daily, weekly, or monthly horoscopes per sign
- Readable interpretations of placements and transits, in plain language
- Optional compatibility between two charts
- Push or local notifications for the daily reading
- A clean, atmospheric visual style, since this category is design-led
The calculation of planetary positions is fixed astronomy. The differentiator is how warm and specific the written readings feel, which is where AI generation helps.
How to build it with AppFlight
Describe it in plain English, for example: "An astrology app that asks for my birth date, time, and city, builds my chart with sun, moon, and rising, shows a daily horoscope, and writes a personalized reading from my chart and today's transits, with a notification each morning." AppFlight plans the screens, generates native SwiftUI, and launches it in a live simulator. To make the readings personal, AppFlight can connect OpenAI: the app sends the chart and the date to your backend, the model returns a reading, and your OpenAI key stays server-side in your own Supabase rather than shipping in the app. You iterate by asking for changes, for example adding compatibility reports or a different reading tone.
Monetization for an astrology app
Astrology apps monetize well because the content is personal and renews daily. The common model is a free daily horoscope with a subscription that unlocks the full birth chart, compatibility reports, deeper transit readings, and saved charts for friends and family. Add a RevenueCat paywall to manage subscriptions, and use Superwall to test paywall designs and onboarding offers without shipping an update. Prices in this category often run five to ten dollars a month, with a discounted annual plan. Keep claims framed as entertainment and reflection rather than fact or prediction.
Shipping it to the App Store
When the app is ready, AppFlight signs the build, uploads to TestFlight, then submits to the App Store with metadata and screenshots from the simulator. If Apple rejects the build, AppFlight reads the reason, works on the fix, and resubmits. If your app uses a third-party AI to generate readings, disclose it and handle user content responsibly. Apple reviews every app, so a submission is not the same as an approval, but the whole pipeline runs without you opening Xcode.
FAQ
How does an astrology app calculate a birth chart?
A chart is computed from the user date, exact time, and birth location, mapped against planetary positions for that moment. You can use an astronomy or ephemeris calculation for the positions, then generate readable interpretations of the placements. AppFlight can wire OpenAI in to write the interpretation text.
How do astrology apps make money?
A free daily horoscope, with a subscription for the full birth chart, compatibility reports, and deeper readings. A RevenueCat or Superwall paywall around five to ten dollars a month is common in this category.
Can the readings be personalized with AI?
Yes. AppFlight can connect OpenAI so the app turns a user chart and the day into a written reading. The API key is a backend secret that stays server-side in your own Supabase, not shipped in the app.