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Yes, both Microsoft Planner and Wrike offer a Free Trial.
Microsoft Planner is designed for Large Enterprises, Medium Business and Small Business.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Microsoft Planner Starts at $10/user/year when yearly whereas for Wrike Starts at $0/user/month when monthly.
Some top alternatives to Microsoft Planner includes Wrike and Todoist.
Some top alternatives to Wrike includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.