Neither Whistle nor SwipeSimple offers a free trial.
Whistle is designed for Large Enterprises, Medium Business and Small Business.
SwipeSimple is designed for Individuals, Medium Business and Small Business.
Pricing details for both Whistle and SwipeSimple are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Whistle includes WePay, MagicPay, TransNational Payments, PaySimple, SuperPay, Better Payment, SwipeSimple, Paytiko, PayApp and Payment Record Online.
Some top alternatives to SwipeSimple includes Stripe Payments, WePay, Square Payments, Clover, PaySimple, SuperPay, PayMotion, Square Point of Sale, PayNet and PayApp.