Yes, both ClickUp and Flock offer a Free Trial.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Flock is designed for Large Enterprises, Medium Business and Small Business.
The starting price of ClickUp begins at $7/User/Month when yearly, while pricing details for Flock are unavailable.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.
Some top alternatives to Flock includes ClickUp, CollaborateCloud, Zoho Connect, Zoho Cliq, Workplace, Zimbra Collaboration, mi.team, Fleekdrive, Chatter, Collabtools and Ideagen Huddle.