Catholic Hymn Book is a free Android app developed by Robort Gabriel that contains hymns of the Catholic Church. It is an excellent resource for anyone who wants to sing hymns of praise to the Almighty God. The app is used in various Catholic Church parishes or Christian gatherings.

The key features of the app include recently opened hymns, daily reflections, the ability to copy hymn lyrics text to clipboard, share hymn lyrics, Christian inspiring articles, and search by hymn number, first line, title, or all lyrics. The app also includes a settings page to control the entire functionality of the app, send a message directly from the app, save hymn text to your device, add/remove hymns from the favorite list, and linear and grid view layouts. The app also allows users to sort hymns by stanzas, number, or alphabetically.

Overall, Catholic Hymn Book is an excellent app for anyone who wants to sing hymns of the Catholic Church and is looking for a comprehensive resource that includes a wide range of features. The app is easy to use and accessible, making it an excellent choice for anyone who wants to sing praises to God.