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Yes, both Deskero and ProProfs Help Desk offer a Free Trial.
Deskero is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ProProfs Help Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Deskero Starts at $9/User/Month when Billed Yearly whereas for ProProfs Help Desk Starts at $10/User/Month when Billed Yearly.
Some top alternatives to Deskero includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, SeamlessDesk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, ReadyDesk, Trakdesk, LabiDesk, DeskXpand and BoldDesk.
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.