Yes, both ServiceM8 and Call of Service offer a Free Trial.
ServiceM8 is designed for Individuals, Freelancers, Medium Business and Small Business.
Call of Service is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ServiceM8 Starts at $9/Month whereas for Call of Service Starts at $40/Month when Billed Yearly.
Some top alternatives to ServiceM8 includes Smart Service, mHelpDesk, Service Fusion, Fieldd, Call of Service, Fergus, simPRO, Easy Field Services, Simpo and Service CRM.
Some top alternatives to Call of Service includes Smart Service, FieldEZ, ServiceTitan, Jobber, Field Force Tracker, Fieldd, Oracle Field Service Cloud, Salesforce Field Service, Easy Field Services and Service CRM.