Zendesk Support offers Free Trial, but ClientSuccess does not.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
ClientSuccess is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Zendesk Support begins at $19/user/month when yearly, while pricing details for ClientSuccess are unavailable.
Some top alternatives to Zendesk Support includes Zoho Desk, Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.
Some top alternatives to ClientSuccess includes Parlor, ProsperStack, Custify, Salesmachine, Catalyst, Gainsight CS, Freshdesk Customer Success, Churn360 and Freshdesk Customer Success (Formely Freshsuccess).