Yes, both Constant Contact and GStep offer a Free Trial.
Constant Contact is designed for Large Enterprises, Medium Business and Small Business.
GStep is designed for Freelancers, Medium Business and Small Business.
Pricing details for both Constant Contact and GStep are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Constant Contact includes Campaigner, Moosend and SMTP.
Some top alternatives to GStep includes Campaigner, Moosend and SMTP.