Yes, both Wowdesk and Tidio Helpdesk offer a Free Trial.
Wowdesk 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 Wowdesk Starts at $6/User/Month whereas for Tidio Helpdesk Starts at $24/month when yearly.
Some top alternatives to Wowdesk includes Zendesk Support, Zoho Desk, Tidio Helpdesk, Freshservice, Freshdesk, Teamwork Desk, HelpDesk, SysAid, Jitbit Helpdesk, Desky, eStreamDesk, ReadyDesk, UseDesk, Milldesk, AzureDesk and BoldDesk.
Some top alternatives to Tidio Helpdesk includes Zendesk Support and Zoho Desk.