Yes, both Stripe Billing and Quantum Invoicing offer a Free Trial.
Stripe Billing is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Quantum Invoicing is designed for Medium Business and Small Business.
Pricing details for both Stripe Billing and Quantum Invoicing are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Stripe Billing includes Stripe Payments, Invoiced, Chargebee, Square Invoices, Servicebot, BillingPlatform, Billbooks, ChimpCharge, Billin and Stripe Invoicing.
Some top alternatives to Quantum Invoicing includes Invoiced, Netfunda OneClickBill, InvoiceBerry, ReliaBills, Invoice2go, Bilr, Billbooks, Billin, GoGSTBill and Billogram.