Yes, both SuperPay and plug&paid offer a Free Trial.
SuperPay is designed for Large Enterprises, Medium Business and Small Business.
plug&paid is designed for Medium Business and Small Business.
Pricing details for both SuperPay and plug&paid are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to SuperPay includes GoCardless, Global Payments, PayPal, PaySimple, UniPay Gateway, Paymill, Better Payment, SwipeSimple and PayHere.
Some top alternatives to plug&paid includes and undefined.