Cologne Cathedral: the official iPhone app provides users with a comprehensive guide to one of the most popular cathedrals in the world. This free app offers up-to-date information on Mass times, tours, opening hours, and even the current temperature inside and outside the cathedral.

One unique feature of the app is the ability to send a prayer of intercession to the cathedral, which will be included in the Mass on the following Friday.

The app also includes a detailed tour of the cathedral's most significant works of art, featuring high-quality images and comprehensive historical information. Additionally, users can explore six films about the cathedral, showcasing both historical and recent footage.

With sections dedicated to Mass times, information, history, tours, prayers of intercession, comments, and videos, the Cologne Cathedral app offers a wealth of resources for visitors and enthusiasts alike.