Yes, both OfficeAmp and Zendesk Support offer a Free Trial.
OfficeAmp is designed for Large Enterprises, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for OfficeAmp Starts at $1/User/Month whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to OfficeAmp includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, Helpspot, ReadyDesk, Sitehelpdesk, DeskXpand and SeQure Internal Employee Helpdesk Software.
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.