Yes, both OctopusPro and Salesforce Field Service offer a Free Trial.
OctopusPro is designed for Large Enterprises, Medium Business and Small Business.
Salesforce Field Service is designed for Large Enterprises, Medium Business and Small Business.
Pricing for OctopusPro Starts at $5/User/Month when Billed Yearly whereas for Salesforce Field Service Starts at $50/user/month when yearly.
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.
Some top alternatives to Salesforce Field Service includes Smart Service, BiznusSoft Field Service, ServiceMax, Fieldd, Oracle Field Service Cloud, ServiceWorks, Call of Service, SAP Field Service Management, Easy Field Services and Service CRM.