Yes, both Campaign Monitor and SweepWidget offer a Free Trial.
Campaign Monitor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
SweepWidget is designed for Large Enterprises, Medium Business and Small Business.
The starting price of SweepWidget begins at $25/Month when Billed Yearly, while pricing details for Campaign Monitor are unavailable.
Some top alternatives to Campaign Monitor includes Campaigner, Moosend and SMTP.
Some top alternatives to SweepWidget includes Gleam, Rafflecopter, Make My Contest, VYPER, EasyPromos, Votigo, Evalato, Contest Rebel, GiveLab, Queue and ShortStack.