가톨릭성경 is an iPhone application developed to allow users to read the Catholic Bible, a compilation of the New and Old Testaments published by the Catholic Bishops' Conference of Korea. This app serves as a platform for accessing the Catholic common Bible adopted by the Korean Catholic Bishops' Conference, featuring a faithful translation in Korean.

The app aims to foster a deeper spiritual life by enabling users to respect, read, and practice the word of God as stated in the Bible. With content that includes the Catholic common Bible, users can engage in a more enriched faith experience through the teachings and wisdom found within.