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). We also store an anonymous visitor identifier in your browser so visits can be counted without duplication. It does not identify you personally and is used only for aggregate usage statistics.

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
• Google AdSense (US) — advertising / uses cookies to serve ads

3. Advertising & cookies

This free service is supported by ads. Google and its partners use cookies to serve ads based on your visits. You can manage ad personalization at Google Ads Settings (google.com/settings/ads).

4. 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.

5. Contact

Operator · ootssu@ootssu.com — inquiries and rights requests.