Yes, both Airstack and Follab offer a Free Trial.
Airstack is designed for Large Enterprises, Medium Business and Small Business.
Follab is designed for Medium Business and Small Business.
Pricing for Airstack Starts at $24/User/Year whereas for Follab Starts at $7/Month.
Some top alternatives to Airstack includes CollaborateCloud, DoSheets, SalesCRM, SaaSLicense, CostTeam, Qualified, Workvivo, Follab, Moderne, Paper Workspace, TealBox and IFTTT.
Some top alternatives to Follab includes User Insights, Team Insights, Qualified, GetFeedy, Workvivo, Frill, Reveall, Tagai, Nolt, IFTTT, Prodsight and Intact.