Yes, both SherpaDesk and Tidio Helpdesk offer a Free Trial.
SherpaDesk is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Tidio Helpdesk is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SherpaDesk Starts at $9per Tech whereas for Tidio Helpdesk Starts at $24/month when yearly.
Some top alternatives to SherpaDesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Time Track Bill, Billable, Apptivo, Freshservice, Vertask, Freshdesk, Teamwork Desk, LiveAgent, HelpDesk, SysAid, Jitbit Helpdesk, mHelpDesk and AtTrack.
Some top alternatives to Tidio Helpdesk includes Zendesk Support and Zoho Desk.