Neither Authorize.Net nor Gravity Forms offers a free trial.
Authorize.Net is designed for Large Enterprises, Medium Business and Small Business.
Gravity Forms is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Authorize.Net Starts at $25/Month whereas for Gravity Forms Starts at $59/Year.
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 Gravity Forms includes Formidable Forms, Cognito Forms, Formsite, Formstack, Paperform, Typeform, Jotform, MightyForms, weForms, Ninja Forms, WPForms and FormLink.