Yes, both Crewcharge and ProsperStack offer a Free Trial.
Crewcharge is designed for Large Enterprises, Medium Business and Small Business.
ProsperStack is designed for Medium Business and Small Business.
Pricing for Crewcharge Starts at $49/Month whereas for ProsperStack Starts at $79/Month.
Some top alternatives to Crewcharge includes Parlor, ClientSuccess, ProsperStack, Custify, UserIQ, Salesmachine, Freshdesk Customer Success, Churn360 and Freshdesk Customer Success (Formely Freshsuccess).
Some top alternatives to ProsperStack includes ChurnZero, Custify, ChurnTarget, Freshdesk Customer Success, Upzelo, RetentionEngine, ChurnKey, Freshdesk Customer Success (Formely Freshsuccess) and Brightback.