Yes, both FastField and Forms On Fire offer a Free Trial.
FastField is designed for Individuals, Medium Business and Small Business.
Forms On Fire is designed for Large Enterprises, Medium Business and Small Business.
Pricing for FastField Starts at $23/user/month when yearly whereas for Forms On Fire Starts at $20/User/Month when Billed Yearly.
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.
Some top alternatives to Forms On Fire includes MightyForms, Digi Clip Mobile Forms, GoFormz, naturalForms, Jotform Mobile Forms, FORM OpX, Forms, Forms.io by 500apps and Formee.