Yes, both MailerLite and SweepWidget offer a Free Trial.
MailerLite is designed for Individuals, 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 MailerLite are unavailable.
Some top alternatives to MailerLite 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.