Yes, both Happitu and Zoho Desk offer a Free Trial.
Happitu is designed for Medium Business and Small Business.
Zoho Desk is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Zoho Desk begins at $14/User/Month when Billed Yearly, while pricing details for Happitu are unavailable.
Some top alternatives to Happitu includes Zoho Desk, Zendesk Support, ManageEngine ServiceDesk Plus, Freshservice, Freshdesk, Deskero, Teamwork Desk, LiveAgent, Support Hub, HelpDesk, SysAid, Jitbit Helpdesk, UseDesk, DeskXpand, Support.cc by 500apps and BoldDesk.
Some top alternatives to Zoho Desk includes Zendesk Support, ManageEngine ServiceDesk Plus, Jira Service Desk, HelpDesk, SysAid, Desky, ReadyDesk, Sitehelpdesk, Trakdesk, HESK and BoldDesk.
