Yes, both PPC Bee and Revealbot offer a Free Trial.
PPC Bee is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Revealbot is designed for Large Enterprises, Medium Business and Small Business.
Pricing for PPC Bee Starts at $2,310/Month whereas for Revealbot Starts at $83/Month when Billed Yearly.
Some top alternatives to PPC Bee includes AdSystem, AdStage, Adzooma, The Next Ad, Adbot, Qualified, Workvivo, Revealbot, IFTTT and Spaceboost.
Some top alternatives to Revealbot includes Madgicx, MonkeyFlux, Adyogi, The Next Ad, Adscook, Scalify, Adbot, AdEspresso, Qualified, Workvivo and Spaceboost.