Yes, both Zoho Desk and Zoho Billing offer a Free Trial.
Zoho Desk is designed for Large Enterprises, Medium Business and Small Business.
Zoho Billing is designed for Large Enterprises, Small Business and Medium Business.
Pricing for Zoho Desk Starts at $7/user/month when yearly whereas for Zoho Billing Starts at $15.00per month when Billed Yearly.
Some top alternatives to Zoho Desk includes Zendesk Support, Tidio Helpdesk, ManageEngine ServiceDesk Plus, Jira Service Desk, HelpDesk, SysAid, Desky, ReadyDesk, Sitehelpdesk, Trakdesk, HESK and BoldDesk.
Some top alternatives to Zoho Billing includes and undefined.