Yes, both ProProfs Help Desk and Zoho Desk offer a Free Trial.
ProProfs Help Desk is designed for Large Enterprises, Medium Business and Small Business.
Zoho Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ProProfs Help Desk Starts at $10/User/Month when Billed Yearly whereas for Zoho Desk Starts at $7/user/month when yearly.
Some top alternatives to ProProfs Help Desk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, ManageEngine ServiceDesk Plus, Freshdesk, Teamwork Desk, LiveAgent, Support Hub, HelpDesk, SysAid, Jitbit Helpdesk, ReadyDesk, Sitehelpdesk, Help Desk Premier, DeskXpand and BoldDesk.
Some top alternatives to Zoho Desk includes Zendesk Support, Tidio Helpdesk, ManageEngine ServiceDesk Plus, Jira Service Desk, HelpDesk, SysAid, Desky, ReadyDesk, Sitehelpdesk, Trakdesk, HESK and BoldDesk.