The 모바일 관세청 app offers a unified platform for accessing essential customs services provided by the Korean Customs Service. Users can conveniently engage with various functionalities, including personalized services and useful content from the customs website. Major features include the ability to apply for personal customs codes, international postal customs, and temporary customs entry, among others. The app also allows users to check the processing status of submitted applications and access vital customs information.

Key functionalities encompass access to customs boards, simple form submissions for various applications, logistics information about imports, and real-time access to mobile boarding certificates. Additional features include notifications about customs administration and auction information for public goods. With its user-friendly interface, the app greatly enhances productivity for individuals involved in customs-related activities.