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