Lich Phung Vu Cong Giao is a free iPhone application designed for individuals seeking to integrate their Catholic faith into daily life. This lifestyle app features a lunar-solar calendar that allows users to convert dates and view significant religious holidays throughout the year. Additionally, it provides daily reflections on the Word of God, enhancing spiritual growth and engagement.

Users can take notes within the app and receive notifications for important feast days and solemnities. The application also offers access to daily readings and detailed information about each reading and holiday, making it a comprehensive tool for those looking to deepen their understanding and practice of Catholic traditions.