Missale Romanum is a comprehensive app that provides the complete Roman Missal in six different languages, including Latin, Spanish, English, Portuguese, German, and Italian. Developed by Rafael Cereceda, this app falls under the Education & Reference category and is designed for iPhone users.

One of the most remarkable features of this app is that it does not require an internet connection to function, making it an excellent tool for both personal and public worship. The app is easy to navigate, and you can access all the prayers, readings, and responses of the Roman Missal with just a few taps. The app also allows you to bookmark pages and create your own custom liturgies.

Overall, Missale Romanum is an excellent app for anyone who wants to have easy access to the Roman Missal in multiple languages. It is user-friendly, comprehensive, and does not require an internet connection.