Yes, both Keypup and Flow offer a Free Trial.
Keypup is designed for Large Enterprises, Medium Business and Small Business.
Flow is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Keypup Starts at $4.49/User/Month whereas for Flow Starts at $6/User/Month when Billed Yearly.
Some top alternatives to Keypup includes Aha!, Jira, Productroad, Backlogs, Next Please, Height, Yodiz, Flow, Worktez and Built.io Flow.
Some top alternatives to Flow includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, TeamGantt, Teamwork, ProjectManager.com, Microsoft Project, ProWorkflow, Trackboard, TaskBranch, Quick Base, Height, Task Flow and Project Insight.