Drip offers Free Trial, but Authorize.Net does not.
Authorize.Net is designed for Large Enterprises, Medium Business and Small Business.
Drip is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Authorize.Net Starts at $25/Month whereas for Drip Starts at $39/Month.
Some top alternatives to Authorize.Net includes Stripe Payments, QuickBooks Payments, PayorCRM, UniPay Gateway, NETELLER, NextPay Payment Gateway, Airpay, Better Payment, aPay Payment Gateway Systems and PayNet.
Some top alternatives to Drip includes Outgrow, ActiveCampaign, CleverTap, Moosend, Omnisend, MailChimp, Campaign Monitor, Emma, Automizy, Zoho Marketing Automation, Ackwire, 7Engage and Structure Pie.