Yes, both Tidio Helpdesk and Zendesk Support offer a Free Trial.
Tidio Helpdesk is designed for Large Enterprises, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Tidio Helpdesk Starts at $24/month when yearly whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Tidio Helpdesk includes and Zendesk Support.
Some top alternatives to Zendesk Support includes Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.