Yes, both GoCanvas and FastField offer a Free Trial.
GoCanvas is designed for Large Enterprises, Medium Business and Small Business.
FastField is designed for Individuals, Medium Business and Small Business.
Pricing for GoCanvas Starts at $45/User/Month whereas for FastField Starts at $23/user/month when yearly.
Some top alternatives to GoCanvas includes FastField, ProntoForms, GoFormz, naturalForms, Jotform Mobile Forms, DynoForms, Formotus, FORM OpX, Jotform Apps and Jotform Smart PDF Forms.
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.