Asana offers Free Trial, but Slash does not.
Asana is designed for Large Enterprises, Medium Business and Small Business.
Slash is designed for Individuals, Medium Business and Small Business.
Pricing for Asana Starts at $6.92/user/month when monthly whereas for Slash Starts at $5/Month when Billed Yearly.
Some top alternatives to Asana includes Smartsheet, Miro, Process Street, Wrike, Notion, Jira, Basecamp, Trello, ProofHub, Zoho Projects, monday.com, Teamwork, ProjectManager.com, Microsoft Project, Quick Base, ClickUp and Height.
Some top alternatives to Slash includes Connecteam, Smartsheet, Miro, Todoist, Notion, Process Street, Wrike, nTask, Microsoft To Do, TickTick, Today, ClickUp, WeekToDo, SimplyDone, TasksBoard, Toodledo and Taskable.