Yes, both Revelation helpdesk and Zendesk Support offer a Free Trial.
Revelation helpdesk is designed for Large Enterprises, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Revelation helpdesk Starts at $19/Year whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Revelation helpdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Deskero, HelpDesk, SysAid, Jitbit Helpdesk, eStreamDesk, EvantoDesk, ReadyDesk, HelpdeskEddy, Sitehelpdesk, Trakdesk and BoldDesk.
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.