통신보안 is a free iPhone application designed to assist individuals in the military with various features. It includes tools like a discharge date calculator, unit members' discharge date tracker, and real-time meal schedules. Users can also share evaluations about training camps and military units. The app provides community features such as unit message boards, topic-specific forums, and interactive voting functions for discussions and questions.

With a strict prohibition on any military security content, 통신보안 offers a range of additional functions like post management tools and scrapbooking. It aims to facilitate communication and information sharing among military personnel in a secure and user-friendly environment.