Puji Syukur is a free Android application developed by Rilix Technology Apps that provides a comprehensive collection of liturgical books, prayer books, and hymns for Ecclesiastical Catholics in Indonesia. The app is designed to cater to the spiritual needs of the Catholic community and is a one-stop solution for all their prayers and hymns.

The app comes loaded with features that include the ability to share content on social media platforms, bookmark important content, and personalize the display look with a theme. Users can also personalize the background color by selecting it manually or use their own images as the background. With its user-friendly interface and easy-to-navigate features, Puji Syukur is a must-have for Ecclesiastical Catholics in Indonesia who want to deepen their spiritual life.