Effective Date: August 1, 2025

Article 1 (Purpose)

These Terms aim to set forth the rights, obligations, responsibilities, and other necessary matters between the company and users when using PackCheck (the “Service” or “App”).

Article 2 (Definitions)

1. “Company” means the business operator SundayWork that provides the PackCheck service.
2. “User” means a member or non-member who receives the services provided by the Company under these Terms.
3. “Service” means a mobile application service that supports users in creating and managing packing lists and planning trips.
4. “Travel Information” means information entered by the user such as destination, dates, participants, and activities.
5. “Packing List” means the predefined travel item lists provided by the App and any personal items added by the user.

Article 3 (Effect and Modification of Terms)

1. These Terms become effective when posted on the service screen or announced by other means to users.
2. The Company may modify these Terms if necessary and will provide prior notice of changes.

Article 4 (Provision of Services)

1. The Company provides the following services:
   • Travel information input and management
   • Travel type–based customized packing lists
   • Packing checklist management
   • Packing list sharing
   • Personalized item addition and editing
   • Trip preparation progress tracking
2. The Company may change the contents of the Service to improve quality and will provide prior notice of changes.
3. The Company may change the services provided for operational or technical reasons.