Privacy Policy

Last updated: May 2026

1. Information We Collect

User-provided information:

• Nickname (you choose)
• Date and time of birth
• Country and city of birth
• Gender preference
• MBTI personality type (optional)
• Email address (only if you make a purchase)

Automatically collected:

• Browser type and timezone
• Pages visited and features used
• Country/region (from IP, for localization)

2. How We Use Your Information

• To generate personalized day recommendations
• To process payments (only email is shared with Stripe)
• To improve our service
• To send transactional emails (purchase receipts only)

3. Where Your Information Is Stored

• Profile data: Stored locally on your device (browser localStorage)
• Purchase records: Stored on our servers, indexed by email
• Email and payment data: Processed by Stripe (stripe.com)

4. We Do Not:

• Sell your personal data to third parties
• Share data with advertisers
• Track you across websites

5. Third-Party Services

We use the following services:

• Stripe: Payment processing
• Vercel: Web hosting
• Railway: Server hosting
• DeepSeek: AI text generation (anonymous, no personal data sent)

6. Your Rights

You may at any time:

• Delete your local profile (clear browser data)
• Request deletion of your purchase records (email us)
• Export your data
• Opt out of communications

7. Cookies

We use minimal cookies for essential functionality only. We do not use tracking cookies.

8. Children

Zeri is not intended for users under 16. We do not knowingly collect data from minors.

9. International Users

By using Zeri, you consent to the transfer of your data to the United States and other countries where our servers are located.

10. Changes to This Policy

We may update this policy periodically. We will notify users of significant changes.

11. Contact

For privacy concerns, contact: zeri.team@outlook.com