Yes, both Typeform and Dovetail offer a Free Trial.
Typeform is designed for Large Enterprises, Medium Business and Small Business.
Dovetail is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Typeform Starts at $25/Month when Billed Yearly whereas for Dovetail Starts at $15.
Some top alternatives to Typeform includes Formsite, Formstack, Paperform, Google Forms, Gravity Forms, Jotform, 123FormBuilder, stepFORM, Tally and Forms.io by 500apps.
Some top alternatives to Dovetail includes Figma, FigJam, UXPin, UX-App, UXCam, UserX, UXtweak, UserExperior, UserZoom, UserTesting, UXArmy and UX Metrics.