Yes, both Drip and Proof offer a Free Trial.
Drip is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Proof is designed for Medium Business and Small Business.
Pricing for Drip Starts at $39/Month whereas for Proof Starts at $26/Month when Billed Yearly.
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 Proof includes and undefined.