Yes, both Poimapper and FastField offer a Free Trial.
Poimapper is designed for Large Enterprises, Medium Business and Small Business.
FastField is designed for Individuals, Medium Business and Small Business.
Pricing for Poimapper Starts at $9.95/User/Month whereas for FastField Starts at $23/user/month when yearly.
Some top alternatives to Poimapper includes Service Fusion, Housecall Pro, FastField, DataScope, FieldAware, ServiceTitan, Jobber, ServiceWorks, Call of Service, Fielda, Easy Field Services and Field Complete.
Some top alternatives to FastField includes Cognito Forms, Formsite, Typeform, MightyForms, 123FormBuilder, stepFORM, Microsoft Forms, GoCanvas, Jotform Mobile Forms, Forms.io by 500apps, FormLink and Formee.