Privacy Policy

1. Personal Information We Collect

4Pillars collects the following personal information to provide its services.

• •Google Login: email address, profile name, profile photo
• •Saju Analysis: name, date of birth, time of birth, gender

2. How We Collect Information

• •Social login via Google OAuth 2.0
• •Direct input through the Saju information form

3. Purpose of Use

• •Manselyeok calculation and AI deep analysis
• •Storing and retrieving user analysis records
• •Service improvement and statistical analysis

4. Retention and Disposal

Personal information is retained during the period of service use. When a user requests account deletion, related data will be destroyed without delay. However, if retention is required by applicable laws, the data will be stored for the required period. Analysis data saved without logging in is not linked to any account and is treated as non-identifiable data that cannot be used to identify an individual.

5. Third-Party Sharing

4Pillars uses the following external services for operation, and personal information may be transmitted accordingly.

• •Google (Login Authentication): Receives email and profile information via OAuth 2.0.
• •Google Gemini AI (Saju Analysis): Saju data is transmitted for AI analysis. Directly identifiable information such as names is not transmitted.
• •Supabase (Database): Securely stores user accounts and analysis results.
• •Vercel (Hosting): Used for web service hosting.

6. Cookies and Tracking

4Pillars may use the following technologies to improve service quality and user experience.

• •Google Analytics: Visitor statistics and usage pattern analysis
• •Google AdSense: Cookies for personalized advertising
• •Vercel Analytics: Web performance monitoring

7. Your Rights

Users may exercise the following rights at any time.

• •Request to view, modify, or delete personal information
• •Request account deletion
• •Request to stop processing personal information

You can delete your account directly through the 'Delete Account' option in the settings menu after logging in. For other inquiries, please refer to in-service announcements.

8. Google User Data

4Pillars complies with the Google API Services User Data Policy. Data received through Google Login is handled as follows.

• •Received data (email, profile info) is used solely for user identification and maintaining login status.
• •Data received from Google is never sold to third parties or used for advertising purposes.
• •Users can revoke 4Pillars' access at any time through Google Account settings (https://myaccount.google.com/permissions).

9. Privacy Officer

Privacy-related inquiries will be addressed through in-service announcements.

To delete your account, use the 'Delete Account' option in the settings menu.

10. Policy Changes

This privacy policy may be updated in accordance with changes in applicable laws or service modifications. Changes will be announced through in-service notifications.