Wi-fi connectivity options at Sacré Coeur include free access to a Wi-Fi network, provided by the church. Users can access this connection with their mobile device or laptop, and connect up to 10 devices simultaneously. The connection is encrypted and requires no registration or password. Sacré Coeur offers visitors an unlimited internet package for €10 per day, allowing them to use as much data as they need while onsite. This premium service also comes with additional security features such as firewalls and anti-virus software.