Yes, both Zendesk Support and Trolley Accounts Payable offer a Free Trial.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Trolley Accounts Payable is designed for and undefined.
Pricing for Zendesk Support Starts at $19/user/month when yearly whereas for Trolley Accounts Payable Starts at $35/month when monthly.
Some top alternatives to Zendesk Support includes Zoho Desk, ManageEngine ServiceDesk Plus, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.
Some top alternatives to Trolley Accounts Payable includes and undefined.