Yes, both Todoist and Hubstaff Tasks offer a Free Trial.
Todoist is designed for Large Enterprises, Medium Business and Small Business.
Hubstaff Tasks is designed for Freelancers, Medium Business and Small Business.
Pricing for Todoist Starts at $4/Month when Billed Yearly whereas for Hubstaff Tasks Starts at $4.17/User/Month when Billed Yearly.
Some top alternatives to Todoist includes Trello, Wrike, Smartsheet, Teamwork, nTask, Microsoft To Do, Remember The Milk, TickTick, Any.do, MeisterTask, ClickUp and TasksBoard.
Some top alternatives to Hubstaff Tasks includes Todoist, Wrike, Smartsheet, TeamGantt, Teamwork, ProjectManager.com, ProWorkflow, Taskworld, Today, MeisterTask, ClickUp, Height and CodeToo.