🔒 Privacy Policy
Last Modified: November 1, 2025
Effective Date: November 1, 2025
1. Collection and Use of Personal Information
Personal Information Collected
- Required Information: Login history (No registration required)
- Optional Information:
- Email address (when using Google/Apple login)
- Profile information (nickname, profile picture)
Purpose of Use
- Service provision and improvement
- User authentication and security
- Personalized learning experience
- Customer support and inquiry response
- Security and prevention of illegal use
- Intellectual property protection and legal response
2. Method of Personal Information Collection
Automatically Collected Information
- Device Information: Device model, OS version, app version
- Usage Statistics: App usage time, feature usage status
- Log Information: Login history, service usage records
- Purchase Information: Purchase history
- Security Logs:
- Screenshot/recording detection records (including user ID, timestamp)
- Service restriction related records
- Terms violation and illegal use attempt records
- System access attempts and security events
Manually Input Information
- Social Login: When linking Google, Apple accounts
3. Retention and Use Period of Personal Information
Retention Period
- Learning Data: During service usage period
- Account Information: Until account deletion
- Log Information: 1 year (legal requirements)
- Security Logs:
- Screenshot/recording detection records: 3 years (copyright protection purpose)
- Terms violation and illegal use records: 5 years (legal response purpose)
- System security events: 1 year
Use Period
- Until service provision purpose is achieved
- Immediately deleted upon user request
4. Third-Party Provision of Personal Information
No Provision
- We do not provide personal information to third parties
- Except when required by law
Exceptions
- When required by court order
- When requested by government agencies
- When user explicitly consents
5. Personal Information Protection Measures
Technical Protection
- Data encryption (AES-256)
- Secure transmission (HTTPS)
- Access permission management
Administrative Protection
- Privacy protection education
- Minimization of access rights
- Regular security inspections
6. User Rights
Rights
- Right to Access: Request to view personal information
- Right to Rectification: Request to correct incorrect information
- Right to Erasure: Request to delete personal information
- Right to Restrict Processing: Request to stop processing personal information
How to Exercise Rights
- App Settings > Privacy Management
- Email: rlawngh8875@gmail.com
- Phone: 010-8384-8928
7. Cookies and Tracking Technologies
Technologies Used
- Local Storage: Learning progress storage
- Analytics Tools: Firebase Analytics
- Advertising: Google AdMob
Purpose
- Service improvement
- Personalized experience
- Advertising optimization
8. Children's Privacy Protection
Children Under 14
- We do not collect personal information without separate consent
- Appropriate procedures are followed when parental consent is required
9. Privacy Officer
Officer Information
- Name: Privacy Officer
- Contact: rlawngh8875@gmail.com
- Phone: 1588-0000
Role
- Establish privacy protection policies
- Inspect personal information processing status
- Conduct privacy protection education
10. Policy Changes
Changes
- 7 days notice before privacy policy changes
- 30 days notice for important changes
Notification Method
- In-app notification
- Email notification
- Website posting