FastSpring vs Stax Bill

Side-by-side from the Top 11 ranking of The 11 Best Subscription Billing Software. Last verified June 9, 2026.

The short answer

FastSpring ranks higher on Top 11 (#9 vs #10) for SaaS and subscription businesses billing customers. A comprehensive Merchant of Record platform for global software and SaaS sales.

At a glance

FastSpringStax Bill
Top 11 rank#9 / The 11 Best Subscription Billing Software#10 / The 11 Best Subscription Billing Software
Score (out of 9.4)7.67.4
Best forMoR for software & SaaSComplex mid-market billing
Pricing$$$$ (5.9% + 95¢ or 8.9% flat)$$$$ (Custom Quote)
HQSanta Barbara, USAOrlando, USA
Founded20052009

FastSpring

A comprehensive Merchant of Record platform for global software and SaaS sales.

fastspring.com

See full entry in The 11 Best Subscription Billing Software

Stax Bill

A flexible and automated billing platform for complex mid-market use cases.

staxbill.com/

See full entry in The 11 Best Subscription Billing Software

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.