Perspectium Replicator is an integration framework that facilitates real-time as well as scheduled bulk sharing of predefined data among ServiceNow Express instances and agents that connect with databases and other applications. Replicator is available as a ServiceNow Store application that can be downloaded through your instance.
For Express, the application is listed as Perspectium Replicator in the ServiceNow Store.
Both applications function exactly the same as detailed in the links below.
For any questions, please contact support.