Yes, both Cirkus and Todoist offer a Free Trial.
Cirkus is designed for Individuals, Freelancers, Medium Business and Small Business.
Todoist is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Cirkus Starts at $30/User/Month when Billed Yearly whereas for Todoist Starts at $4/Month when Billed Yearly.
Some top alternatives to Cirkus includes Todoist, Wrike, Smartsheet, TeamGantt, Asana, Teamwork, ProjectManager.com, GanttPRO, nTask, Today, MeisterTask, Teamly, TaskOPad and ClickUp.
Some top alternatives to Todoist includes Trello, Wrike, Smartsheet, Teamwork, nTask, Microsoft To Do, Remember The Milk, TickTick, Any.do, MeisterTask, ClickUp and TasksBoard.