Yes, both Substly and Payvoice offer a Free Trial.
Substly is designed for Large Enterprises, Medium Business and Small Business.
Payvoice is designed for Medium Business and Small Business.
The starting price of Payvoice begins at $49/Month, while pricing details for Substly are unavailable.
Some top alternatives to Substly includes and undefined.
Some top alternatives to Payvoice includes Confluence, Chargebee, PayWhirl, Stripe Billing, Servicebot, Subill, Billsby, MightyDash, Pricewell and Subscribie.