SweepWidget offers Free Trial, but SendFox does not.
SendFox is designed for 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 SendFox are unavailable.
Some top alternatives to SendFox 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.