Zendesk Support offers Free Trial, but Avaza does not.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Avaza is designed for Freelancers, Medium Business and Small Business.
The starting price of Zendesk Support begins at $19/user/month when yearly, while pricing details for Avaza are unavailable.
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 Avaza includes TeamGantt, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Projectworks, Height, Ravetree and Project Insight.