Privacy Policy

1. What we collect & why

SajuDuo collects birth date, birth time, and gender solely to calculate compatibility and generate the AI reading. The data is used only for producing your result and deleted without delay once no longer needed (share links expire and are removed after up to 30 days).

2. Processors

Your data is processed by the following providers to run the service:

• Anthropic (US) — AI reading generation / at request time / not retained after processing
• Supabase (US/Singapore) — result & link storage / within the retention period
• Vercel (US) — web hosting / at access time / per their log policy

3. Your rights & deletion

You may request access, correction, deletion, or processing suspension. When the retention period ends or the purpose is fulfilled, data is destroyed irrecoverably.

4. Contact

Jeongsoon Shin · jinnsim@icloud.com — inquiries and rights requests.