Which chatbot to choose to work with Activecampaign?

We're just getting started with AC and I already have Calendly and we'd like to get a chatbot running on our website at some point. We moved over from HubSpot and that was built into the plan we had with them but I understand I'd need a 3rd party for one. With that said, I think I've narrowed it down to Drift or Intercom. Does anyone have any experience with either and the pros & cons I should look out for? Thanks in advance.