Adobe
Yes, both Help Sumo and ProProfs Help Desk offer a Free Trial.
Help Sumo is designed for Large Enterprises, Medium Business and Small Business.
ProProfs Help Desk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Help Sumo Starts at $19/User/Month whereas for ProProfs Help Desk Starts at $10/User/Month when Billed Yearly.
Some top alternatives to Help Sumo includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, ProProfs Help Desk, Support Hub, HelpDesk, SysAid, Jitbit Helpdesk, Desky, ReadyDesk, HelpdeskEddy, LabiDesk, AzureDesk and Help Desk Premier.
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.