Article 1: Collected Personal Information and Collection Method This app collects the following personal information during user registration, service usage, and customer inquiries: Required information: Email, Nickname Optional information: None Personal information may be directly provided by the user during registration or automatically collected during service use.

Article 2: Purpose of Collecting and Using Personal Information Collected personal information is used for the following purposes: Member management: Account verification, user identification, handling complaints, etc. Service provision: AI-powered word search, word storage, learning progress management Service improvement: Analysis and statistics for enhancing user experience User interaction: Providing communication and feedback between users

Article 3: Retention and Use Period of Personal Information Personal information is retained for the duration of service usage and will be immediately deleted upon account termination. If required by law, personal information may be retained for the period specified by relevant legislation.

Article 4: Disclosure of Personal Information to Third Parties This app does not provide personal information to third parties without user consent. However, personal information may be disclosed in accordance with legal requirements or at the request of law enforcement agencies.

Article 5: Entrusting the Processing of Personal Information This app does not entrust the processing of personal information to third parties; all personal information is managed by the developer. If the need for delegation arises in the future, users will be notified in advance and consent will be obtained.

Article 6: Security Measures for Personal Information This app implements the following measures to securely protect users' personal information: Encryption of personal information: User passwords are encrypted and protected from external leakage. Access control: Access to personal information is restricted to prevent unauthorized access.

Article 7: Access, Modification, and Deletion of Personal Information Users may request access, modification, or deletion of their personal information at any time. Requests for access, modification, or deletion of personal information can be made through the app's settings or customer service.

Article 8: Procedures and Methods for Destroying Personal Information Personal information will be destroyed without delay once the purpose of collection and use has been fulfilled or the retention period has expired. Printed personal information will be shredded, and information stored in electronic form will be permanently deleted to prevent recovery.

Article 9: Personal Information Protection Officer and Contact Information Personal Information Protection Officer: Jinyoung Jang Email: [email protected] Article 10: Policy Changes

This privacy policy may be revised due to changes in laws or services, and any changes will be announced in advance. The revised privacy policy will take effect on the date of publication.