ProsperStack offers Free Trial, but Custify does not.
Custify is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
ProsperStack is designed for Medium Business and Small Business.
Pricing for Custify Starts at $999 whereas for ProsperStack Starts at $79/Month.
Some top alternatives to Custify includes Parlor, ClientSuccess, ProsperStack, Salesmachine, Catalyst, Vitally, 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.
