Legal
Privacy Policy
Last updated: March 2026
At AstroLuna (astroluna.io), your privacy matters. This policy explains what data we collect, why, and how we handle it. We aim to be transparent and keep things simple.
AstroLuna is operated by an individual entrepreneur based in the Czech Republic.
1. What Data We Collect
Account Information
- Email address — required for account creation and communication.
- Name — optional, used for personalization.
Birth and Chart Data
- Birth date, time, and city — provided by you to generate natal charts.
- Chart data — the astrological charts and configurations we calculate from your birth information.
Payment Information
- Payment details (card number, billing info) are collected and processed exclusively by Stripe. We do not store your full card details on our servers. We may receive limited information from Stripe such as the last four digits of your card and transaction status.
Technical Data
- We use essential localStorage for theme preferences and session management. We do not use cookies for tracking or analytics.
2. Why We Collect Your Data
- To create and manage your account.
- To generate natal charts and AI-powered horoscope readings.
- To process payments for Lumens (digital credits).
- To communicate with you about your account or service updates.
- To maintain and improve the service.
3. Legal Basis for Processing (GDPR)
We process your personal data based on:
- Contract performance — processing your account, chart, and payment data is necessary to provide the service you signed up for.
- Legitimate interest — maintaining security, preventing abuse, and improving the service.
- Consent — where applicable, such as when you voluntarily provide optional information like your name or birth details.
- Legal obligation — where we are required to retain certain data (e.g., transaction records for tax purposes).
4. Third-Party Services
We share data with the following third-party services only as necessary to operate AstroLuna:
| Service | Purpose | Data Shared |
|---|---|---|
| Stripe | Payment processing | Payment and billing info |
| Anthropic (Claude API) | AI-generated readings | Chart data sent for content generation |
| OAuth login | Email and basic profile info | |
| Railway | Hosting infrastructure | All data is stored on Railway servers |
We do not sell your personal data to anyone. We do not share data with advertisers.
5. Data Retention
- Account and chart data is retained for as long as you maintain your account.
- Payment records may be retained for up to 10 years to comply with Czech tax and accounting regulations.
- When you delete your account, all personal data and chart data are permanently deleted from our systems, except where retention is required by law.
6. Your Rights (GDPR)
As a user, especially if you are located in the EU/EEA, you have the following rights:
- Access — request a copy of the personal data we hold about you.
- Rectification — ask us to correct inaccurate data.
- Erasure — request deletion of your data. You can also delete your account directly from your settings.
- Restriction — ask us to limit processing of your data in certain circumstances.
- Data portability — request your data in a structured, machine-readable format.
- Objection — object to processing based on legitimate interest.
- Withdraw consent — where processing is based on consent, you may withdraw it at any time.
To exercise any of these rights, contact us at luna@astroluna.io. We will respond within 30 days.
7. Data Protection Contact
For any privacy-related questions or requests:
8. Right to Lodge a Complaint
If you believe your data protection rights have been violated, you have the right to lodge a complaint with a supervisory authority. In the Czech Republic, this is:
Office for Personal Data Protection (UOOU)
www.uoou.cz
You may also contact the supervisory authority in your own EU/EEA member state.
9. Children
AstroLuna is not directed at children under the age of 16. We do not knowingly collect data from children. If you believe a child has provided us with personal data, please contact us and we will delete it promptly.
10. Changes to This Policy
We may update this Privacy Policy from time to time. If we make significant changes, we will notify you via email or through the app. The “last updated” date at the top reflects the most recent revision.
11. Contact
If you have any questions about this Privacy Policy, reach out to us at luna@astroluna.io.