1. Purpose of Personal Information Collection and Use TrackIt processes personal information for the following purposes:

• Service provision and account management
• User data synchronization and backup
• Service improvement and new service development
• System monitoring for stability

2. Categories of Personal Information Collected TrackIt collects the following personal information:

Required Information:

• Email address (Google/Apple login)
• User identifier (UID)
• Default language setting

Optional Information:

• User-input data values
• App usage statistics
• Error logs

3. Retention and Usage Period of Personal Information Personal information is retained and used until the termination of the service agreement (account deletion). However, if retention is required by relevant laws, the information will be kept for the period specified by those laws.

4. Provision of Personal Information to Third Parties TrackIt does not provide personal information to third parties without user consent. However, exceptions apply in the following cases:

• When required by law or when requested by investigative agencies following legal procedures and methods for investigation purposes

5. Outsourcing of Personal Information Processing TrackIt outsources personal information processing as follows:

• Google Firebase • Purpose: User authentication, data storage, app performance monitoring • Outsourced tasks: Account management, database operation, error tracking

6. User Rights and Exercise Methods Users can exercise the following rights:

• Request to view personal information
• Request corrections for errors
• Request deletion
• Request processing suspension

7. Security Measures for Personal Information TrackIt implements the following measures to ensure personal information security:

• Personal information encryption
• Access control management
• Security protocol implementation
• Regular security updates

8. Installation/Operation and Rejection of Automatic Personal Information Collection Devices TrackIt does not operate 'cookies' or similar technologies that continuously store and retrieve user information.

9. Privacy Protection Officer The privacy protection officer's contact information is as follows:

• Email: [email protected]

10. Changes to Privacy Policy This privacy policy may be modified in response to changes in laws, policies, or security technologies. Any changes will be announced through in-app notifications.

11. International Transfer of Personal Information TrackIt transfers personal information internationally through Google Firebase as follows:

• Types of personal information transferred: User account information, app usage data
• Country of transfer: United States
• Time and method of transfer: Via network transmission at the time of service use
• Retention and usage period by the recipient: Until account deletion or termination of outsourcing contract

12. Advertising TrackIt currently does not include advertising and does not use personal information for advertising purposes.