Yes, both GetResponse and GStep offer a Free Trial.
GetResponse is designed for Large Enterprises, Medium Business and Small Business.
GStep is designed for Freelancers, Medium Business and Small Business.
The starting price of GetResponse begins at $15.58/Month when Billed Yearly, while pricing details for GStep are unavailable.
Some top alternatives to GetResponse includes Campaigner, Moosend, SMTP, ActiveCampaign, Omnisend, Constant Contact, MailChimp, Campaign Monitor, MailerLite, AWeber, ConvertKit, Elite Campaign, ClickFunnels, FlyerFunnel, SendFox and CloudFunnels.
Some top alternatives to GStep includes Campaigner, Moosend and SMTP.