Slack offers Free Trial, but Height does not.
Slack is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Height is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slack Starts at $2.67/Month whereas for Height Starts at $6.99/User/Month when Billed Yearly.
Some top alternatives to Slack includes Microsoft Teams, Glip, Google Chat, ChatWork, Dialog, Office Chat, imBee, Takle, SPACE Channel and Teamwork Chat.
Some top alternatives to Height includes Smartsheet, Miro, Process Street, Wrike, Notion, TeamGantt, Teamwork, ProjectManager.com, Microsoft Project, Backlog, Trackboard, TaskBranch, Quick Base, Today, ClickUp, Ravetree and Taskiem.
