Yes, both Help Sumo and Wisdom offer a Free Trial.
Help Sumo is designed for Large Enterprises, Medium Business and Small Business.
Wisdom is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Help Sumo Starts at $19/User/Month whereas for Wisdom Starts at $89/Month.
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 Wisdom includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, CRMdesk, HelpdeskEddy, HESK, Enchant, Revelation helpdesk and Helpwise.