Siemens
Yes, both Wisdom and Zendesk Support offer a Free Trial.
Wisdom is designed for Large Enterprises, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Wisdom Starts at $89/Month whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Wisdom includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, CRMdesk, HelpdeskEddy, HESK, Enchant, Revelation helpdesk and Helpwise.
Some top alternatives to Zendesk Support includes Zoho Desk, ManageEngine ServiceDesk Plus, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.