Integrator apps allow you to combine functions from one app to another. For example, you can connect a phone system to your existing Client Relationship Manager (CRM) without buying another CRM with the same features. Or you can connect your TwitterMoreIntegrator apps allow you to combine functions from one app to another. For example, you can connect a phone system to your existing Client Relationship Manager (CRM) without buying another CRM with the same features.
Or you can connect your Twitter to another app and receive Twitter notifications on topics of interest in your browser. You can even connect your Gmail to your CRM to automatically log in leads/client cards, etc. The possibilities are nearly endless and limited only by imagination and software limits. Thus, integrator apps extend CRM functionality without purchase of an entire new CRM system (though you may have to buy another app).