sajubti (hereinafter "the Service") values the privacy of its users and complies with the Personal Information Protection Act of the Republic of Korea and other applicable laws. This Privacy Policy explains how we collect, use, store, and delete personal information in connection with your use of the Service.
The Service collects the following personal information:
| Category | Items Collected | When Collected | Method |
|---|---|---|---|
| Social Login (Kakao / Naver) |
Email address, nickname, profile image (optional) | At sign-up / login | Automatically via OAuth 2.0 |
| Service Usage Info | Date of birth (year, month, day), MBTI type | During onboarding | Entered directly by the user |
| Compatibility Records | Other person's date of birth, MBTI type, compatibility score, relationship tag (optional) | When saving compatibility results | User input and service auto-generation |
| Service Usage Logs | Access timestamp, IP address, browser information | Automatically during service use | System auto-collection |
| Purpose | Information Used |
|---|---|
| User identification and service provision | Email, nickname, date of birth, MBTI |
| Saju & compatibility analysis | Date of birth, MBTI, compatibility records |
| Constellation map (compatibility visualization) | All compatibility records |
| Service operation, improvement, and error response | Usage logs, IP address |
| Compliance with legal obligations | Items required by applicable law |
Personal information is deleted without delay once the purpose of collection has been fulfilled. However, the following information is retained for the periods required by applicable law:
| Information | Retention Period | Legal Basis |
|---|---|---|
| Account information (email, nickname, etc.) | Until account deletion | Service operation |
| Service usage logs | 3 months | Protection of Communications Secrets Act (Korea) |
| Electronic financial transaction records (when payment feature is added) |
5 years | Electronic Financial Transactions Act (Korea) |
| Consumer complaint and dispute records (when payment feature is added) |
3 years | E-Commerce Act (Korea) |
The Service does not share your personal information with third parties except in the following circumstances:
The Service delegates certain data processing tasks to the following third-party service providers:
| Provider | Purpose | Retention Period |
|---|---|---|
| Supabase Inc. | Database storage and authentication | Duration of service use |
| Vercel Inc. | Service hosting and deployment | Duration of service use |
| Cloudflare Inc. | CDN and image storage | Duration of service use |
| Anthropic PBC | AI text analysis (saju & compatibility result generation) | Deleted immediately after processing |
| Kakao Corp. / Naver Corp. | Social login authentication | Deleted immediately after authentication |
You have the right to:
To exercise these rights, use the settings menu within the Service or contact our Privacy Officer by email. We will respond within 10 days.
When personal information is no longer needed (retention period expired or purpose fulfilled), it is deleted without delay using the following methods:
The Service uses cookies to maintain login sessions. You may disable cookies through your browser settings; however, doing so may restrict access to features that require login.
If you have concerns about how your personal information is handled, you may also contact the following authorities:
This Privacy Policy may be updated to reflect changes in law, policy, or the Service. We will notify users at least 7 days before changes take effect (or 30 days in advance for material changes) via an in-service notice.