Yes, both Factor and Aero Workflow offer a Free Trial.
Factor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Aero Workflow is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Factor Starts at $10/User/Month when Billed Yearly whereas for Aero Workflow Starts at $39/Month when Billed Yearly.
Some top alternatives to Factor includes Productiv, Qualified, Waydev, AnalyticsVerse, DevDynamics, Eclipse, Workvivo, Finance OS, FinancialForce PSA, Kluster, Aero Workflow and Xeeva.
Some top alternatives to Aero Workflow includes AccooWare, Scoro, Watchwork, StudioCloud, 7pace Timetracker, Qualified, Workvivo, AdvanceFlow, Traxit and Pascal Workflow.