Yes, both servr and Pantheon offer a Free Trial.
servr is designed for Individuals, Medium Business and Small Business.
Pantheon is designed for Large Enterprises, Medium Business and Small Business.
The starting price for both servr and Pantheon begins at $29/Month.
Some top alternatives to servr includes Clustered Cloud, InvoiceCloud, Qualified, Workvivo, 1MB, Kilo SSL, ModernCloud, SoftwareKey System, BetterCloud, SaaSBox, DynaDomains and Kubermachines.
Some top alternatives to Pantheon includes Super, Qualified, Workvivo, AirOps, Webapp.io, OpsTech, SuperOps PSA Software, WebEnliven Solutions, DEITY Falcon, WordOps and IFTTT.