PayWhirl offers Free Trial, but MailChimp does not.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
PayWhirl is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both MailChimp and PayWhirl are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to MailChimp includes Pipedrive, Campaigner, Moosend and SMTP.
Some top alternatives to PayWhirl includes Chargebee, OneBill, billwerk, Servicebot, Subill, Billsby, Rerun, ReCharge, Recurly and Subscribie.