Yes, both Zendesk Support and Trainn offer a Free Trial.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Trainn is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zendesk Support Starts at $19/user/month when yearly whereas for Trainn Starts at $39/Month.
Some top alternatives to Zendesk Support includes Zoho Desk, Tidio Helpdesk, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.
Some top alternatives to Trainn includes WalkMe, AppLearnAdopt, InsideBoard, HintEd, JumpSeat, VisualSP, Experience Layer, Digma, tuto and LearnLeap.