Yes, both I Done This and Smartsheet offer a Free Trial.
I Done This is designed for Medium Business and Small Business.
Smartsheet is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for I Done This Starts at $9/User/Month when Billed Yearly whereas for Smartsheet Starts at $9/month when yearly.
Some top alternatives to I Done This includes Todoist, Wrike, Smartsheet, TeamGantt, Teamwork, ProjectManager.com, nTask, TaskBranch, Today, MeisterTask, ClickUp and SmartTask.
Some top alternatives to Smartsheet includes Quickbase , ClickUp, Zoho Projects, Jira, Microsoft PPM, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and Airtable.