The purpose of this study is to develop an app-based program that can effectively design and operate the overall career design process and analyze its effects in order to strengthen the career design competency of university students. This study was carried out through the following step-by-step research process. First, in order to derive practical and effective direction of career design App program, focus group interviews were conducted with the staff of the university career center. Second, the App program was structured in three stages and detailed contents were developed. Third, a survey was conducted to investigate the overall perception and satisfaction of university students for the developed App program. Fourth, in order to verify the effect through application of the App program, a self-description on the experience of using the program was conducted for university students who used the program. As a result of the study, it was revealed that the App-based career design program was effective in developing career design competencies. Based on the results, it is expected that the basic data will be provided for the development of online-based education programs to strengthen the career design competencies of university students.