Privacy Policy

Last updated: April 2, 2026

Gu Jayun ("Developer") operates the AstroHalo mobile application ("Service"). This Privacy Policy explains how we collect, use, and protect your personal information.

1. Information We Collect

a) Information You Provide

  • Email address (via Google or Apple sign-in)
  • Date of birth, time of birth, and place of birth (for astrological chart calculations)
  • Chat messages sent to the AI astrology chat feature
  • Partner's birth information (when using synastry features)

b) Automatically Collected Information

  • Device type, operating system, and app version
  • Timezone and locale settings
  • Push notification token
  • Subscription status and purchase history
  • Approximate (coarse) location, with your permission — used solely to calculate sunrise and sunset times and not stored on our servers

2. How We Use Your Information

  • Calculate astrological charts and provide personalized interpretations
  • Generate AI-powered horoscopes, tarot readings, and reports
  • Send push notifications (daily horoscope, calendar alerts) with your consent
  • Process payments and manage subscriptions
  • Determine sunrise and sunset times for planetary hour calculations using your approximate location
  • Improve the Service and respond to inquiries

3. Third-Party Services

We use the following third-party services:

  • Google / Apple — Sign-in authentication
  • Supabase — Database and user data storage
  • RevenueCat — Subscription and payment management
  • Google Gemini / Claude — AI content generation

We do not sell your personal information. Data is shared with the above providers solely for operating the Service.

4. International Data Transfers

Your data may be transferred to and processed in countries outside your country of residence, including the United States. By using the Service, you consent to such transfers.

5. Data Retention and Deletion

We retain your data for as long as your account is active. Upon account deletion:

  • All personal data (profile, birth data, chat history) is permanently deleted within 30 days.
  • Anonymized, aggregated data may be retained for analytics.

You may delete your account through the app settings or by contacting [email protected].

6. Data Security

  • All data transmitted over HTTPS/TLS encryption
  • Row Level Security (RLS) ensures users can only access their own data
  • JWT-based authentication for all API requests

7. Your Rights

  • Access — View your personal data through the app's Profile settings
  • Correction — Update your birth information or profile at any time
  • Deletion — Delete your account and all associated data
  • Withdraw consent — Opt out of push notifications or revoke location permission through your device settings

8. Children's Privacy

The Service is not intended for children under 14. We do not knowingly collect personal information from children under 14.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated effective date. Continued use of the Service constitutes acceptance of the updated policy.

10. Contact

Developer: Gu Jayun (구자윤)

Email: [email protected]