Yes, both SEMrush and Plerdy offer a Free Trial.
SEMrush is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Plerdy is designed for Medium Business and Small Business.
The starting price of Plerdy begins at $23/Month when Billed Yearly, while pricing details for SEMrush are unavailable.
Some top alternatives to SEMrush includes and undefined.
Some top alternatives to Plerdy includes VWO Insights, VWO FullStack, Crazy Egg, Lucky Orange, Smartlook, Hotjar, Mouseflow, Email Heatmaps, Inspectlet, FullStory, PinPut and SquidVision.