Yes, both Instagantt and ClickUp offer a Free Trial.
Instagantt is designed for Individuals, Freelancers, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Instagantt Starts at $4.16/User/Month when Billed Yearly whereas for ClickUp Starts at $7/User/Month when yearly.
Some top alternatives to Instagantt includes Quickbase , Smartsheet, ClickUp, Wrike, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, GanttPRO, nTask, Quick Base, GoodGantt and Gantt.io.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.