Yes, both Drip and Constant Contact offer a Free Trial.
Drip is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Constant Contact is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Drip begins at $39/Month, while pricing details for Constant Contact are unavailable.
Some top alternatives to Drip includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, MailChimp, Campaign Monitor, Emma, Automizy, Zoho Marketing Automation, Ackwire, 7Engage and Structure Pie.
Some top alternatives to Constant Contact includes Campaigner, Moosend and SMTP.