Yes, both Helpjuice and Zendesk Support offer a Free Trial.
Helpjuice is designed for Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Helpjuice Starts at $120/Month whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Helpjuice includes Zendesk Support, Tidio Helpdesk, Freshservice, Freshdesk, Zoho Desk, Support Hub, HelpDesk, Jitbit Helpdesk, CRMdesk, ReadyDesk, Sitehelpdesk, HESK, Kiodesk, SmartSupport, HelpHub and KnowledgeBase.
Some top alternatives to Zendesk Support includes Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.