Reims City Pass is a travel and navigation application available for iPhone users. It offers a comprehensive guide to the various partner sites included in the Reims City Pass, even without an internet connection. Users can access detailed information such as site names, photos, descriptions, addresses, Google Maps location, opening hours, website links, contact numbers, related events, and nearby service providers. This digital interactive tourist guide serves as a valuable companion for visitors exploring the Reims region.

The app automatically checks for updates from the server when an internet connection is available and with the user's permission to use mobile data. By enabling geolocation, users can receive recommendations on nearby tourist sites and receive directions to these destinations using the Google Maps API.