Yes, both Pantheon and Webapp.io offer a Free Trial.
Pantheon is designed for Large Enterprises, Medium Business and Small Business.
Webapp.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Pantheon Starts at $29/Month whereas for Webapp.io Starts at $39/User/Month when Billed Yearly.
Some top alternatives to Pantheon includes Super, Qualified, Workvivo, AirOps, Webapp.io, OpsTech, SuperOps PSA Software, WebEnliven Solutions, DEITY Falcon, WordOps and IFTTT.
Some top alternatives to Webapp.io includes WowSoftware, Experience Layer, webtoapp.design, Qualified, Workvivo, iterspace, Polish, IO Technologies, IFTTT, Online Check Writer and Drag.