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Privacy Policy
Service Name: Salatju
Provider: Salatju Team
Effective Date: November 9, 2025
Last Updated: November 9, 2025
1. Purpose of Personal Information Collection
Salatju (the "Service") collects and uses personal information for the following purposes to provide compatibility calculation services based on Four Pillars of Destiny (Saju).
1.1 Required Information
Birth Date Information
- Purpose: Compatibility calculation based on Four Pillars of Destiny
- Items Collected: Birth dates (year, month, day) of two persons
- Storage Location: User's device only (local storage)
- Server Transmission: None (all calculations processed on device)
1.2 Optional Information
Name or Nickname
- Purpose: Distinguishing and displaying calculation results
- Items Collected: User-entered names or nicknames
- Optional: Service usable without providing
- Storage Location: User's device only (local storage)
Calculation History
- Purpose: Convenience for users to manage their history
- Items Collected: Compatibility results, calculation date/time, favorite status
- Storage Location: User's device only (local storage)
2. Method of Personal Information Collection
2.1 User Direct Input
Information is collected only through direct user input during app usage:
- Date selection on birth date input screen
- Direct input in name fields (optional)
- History creation when saving calculation results
2.2 Automatically Collected Information
This service does NOT automatically collect:
- Location information
- Device identifiers (IDFA, IDFV, etc.)
- Usage statistics and analytics
- Network information
3. Personal Information Retention Period
3.1 Local Storage Data
- Storage Location: Inside user's iPhone or iPad device
- Storage Technology: SwiftData framework (iOS 17.0+)
- Retention Period: Until app deletion or user manually deletes
- Server Transmission: None (all data processed on device only)
3.2 iCloud Sync (Optional)
- Sync Target: Calculation history data
- Activation: When iCloud is enabled in iOS Settings → iCloud → Apps Using iCloud
- Management: Apple Inc.
- Privacy Policy: Apple Privacy Policy
- Data Access: Only accessible by devices logged in with the same Apple ID
- Deactivation: Turn off iCloud for app in iOS Settings → iCloud
3.3 In-App Purchase Information
- Processor: Apple Inc. (App Store)
- Information Collected: Purchase receipts, transaction IDs
- Purpose: Verify premium feature access
- Retention Period: According to legal requirements after subscription ends
- Privacy Policy: Apple Privacy Policy
4. Sharing Personal Information with Third Parties
This service does NOT share user personal information with third parties.
4.1 Exceptions
Information may be shared exceptionally in the following cases:
- When required by law
- When requested by authorities according to legal procedures for investigation
- With explicit user consent
4.2 Apple Service Usage
Apple services are used for the following features:
iCloud Sync
- Recipient: Apple Inc.
- Purpose: Data synchronization across multiple devices
- Items Provided: Calculation history data
- Retention Period: Until iCloud sync is disabled
In-App Purchase (StoreKit)
- Recipient: Apple Inc.
- Purpose: Payment processing and purchase receipt management
- Items Provided: Apple ID, transaction information
- Retention Period: According to Apple policy
5. Deletion of Personal Information
5.1 Deletion Procedures
Upon App Deletion
- All data on device is automatically deleted when app is removed from iPhone or iPad
- Completely removed by iOS system and cannot be recovered
Individual Record Deletion
- Individual calculation records can be deleted in the app's "History" tab
- Deleted records are immediately removed and cannot be recovered
iCloud Sync Data
- iOS Settings → iCloud → Manage Storage → Salatju to delete data
- Data deleted from iCloud is removed from all synced devices
6. User Rights and Exercise Methods
6.1 User Rights
Right to Access
- All stored data can be viewed in the app's "History" tab
- Real-time viewing without separate request procedures
Right to Correction
- Names in saved calculation records can be modified anytime
- Favorite status can be freely changed
Right to Deletion
- Individual calculation records can be selected and deleted
- All data is completely removed when app is deleted
Right to Suspend Processing
- Personal information processing immediately stops when app usage is discontinued
- No additional data is created without new calculations
6.2 How to Exercise Rights
- Direct management within the app (no separate request required)
- Inquiries: chm073@gmail.com
7. Security Measures for Personal Information Protection
7.1 Technical Measures
Local Storage Method
- All personal information stored only inside user's device
- No transmission to external servers
- All features available without network connection
iOS System-Level Encryption
- iOS Data Protection feature applied
- Data encryption when device is locked
- Face ID/Touch ID protection
SwiftData Security
- Using Apple's official data framework
- Isolated storage in sandboxed environment
- Access blocked from other apps
7.2 Administrative Measures
- Collecting only minimal information (Privacy by Design)
- Regular review and update of privacy policy
- Compliance with privacy protection laws
8. Privacy Officer
We have designated a privacy officer for handling inquiries and complaints related to personal information.
Privacy Officer
- Name: Salatju Team
- Email: chm073@gmail.com
- Response Time: Within 48 hours on business days
Customer Support
9. Protection of Children Under 14
This service is not directed to children under 14 years of age.
- If children under 14 use the service, parental consent is required
- If we become aware of collecting personal information from children under 14, we will immediately delete it
10. Cookies and Tracking Technologies
This service does NOT use the following technologies:
- Cookies
- Advertising Identifier (IDFA)
- App Tracking Transparency
- Location tracking
- User behavior analysis tools
- Third-party analytics services (Google Analytics, Firebase, etc.)
11. Changes to Privacy Policy
This privacy policy may be modified according to changes in laws, policies, or security technologies.
11.1 Notification Methods
- Notice through app updates
- In-app announcements
- Website posting
- At least 7 days advance notice for significant changes
11.2 Change History
- v1.0 (November 9, 2025): Initial creation and implementation
12. Reporting Privacy Violations
If you need to report or get consultation about privacy violations, you can contact the following institutions in Korea:
Personal Information Infringement Report Center
Personal Information Dispute Mediation Committee
Supreme Prosecutors' Office Cyber Crime Investigation Unit
National Police Agency Cyber Safety Bureau
13. Governing Law and Jurisdiction
- This privacy policy is governed by and construed in accordance with the laws of the Republic of Korea
- Courts of the Republic of Korea have jurisdiction over disputes arising from service usage
Supplementary Provisions
Announcement Date: November 9, 2025
Effective Date: November 9, 2025
This privacy policy is effective from November 9, 2025.
Contact Information
Salatju Team
Email: chm073@gmail.com
Website: https://salatju.baka.im-si.org/