OctopusPro offers Free Trial, but MailChimp does not.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
OctopusPro is designed for Large Enterprises, Medium Business and Small Business.
The starting price of OctopusPro begins at $5/User/Month when Billed Yearly, while pricing details for MailChimp are unavailable.
Some top alternatives to MailChimp includes Pipedrive, Campaigner, Moosend and SMTP.
Some top alternatives to OctopusPro includes FieldAware, Fieldd, Oracle Field Service Cloud, Salesforce Field Service, ManageMart, SAP Field Service Management, Easy Field Services, Fieldworkhq, Service CRM and Fieldeas.