Yes, both SympoQ and Zendesk Support offer a Free Trial.
SympoQ is designed for Individuals, Freelancers, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SympoQ Starts at $79/Month whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to SympoQ includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, Support Hub, HelpDesk, Jitbit Helpdesk, Desky, CRMdesk, ReadyDesk, Sitehelpdesk, HESK, Help Desk Premier and DeskXpand.
Some top alternatives to Zendesk Support includes Zoho Desk, Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.