| Price from | $199/mo | $499/mo |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | Yes | — |
| Web | Yes | Yes |
| Linux | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 6 | 2 |
| Spec score · Dunning Management Software | 9.1 (#3) | 8.3 (#16) |
| Founded | LinkedIn lists the company as founded in 2024. | Stax Bill's LinkedIn profile gives 2011 as its founding year, and the company says it began as Fusebill. |
| Integrations | Published connectors include Stripe, Razorpay, Chargebee, HubSpot, Zoho Books, QuickBooks, Nomod, Paddle, Moyasar and Whop. | The maker lists Salesforce, HubSpot, NetSuite, QuickBooks Online, Avalara, Anrok, Geotab, and REST API/webhooks integrations. |
| Rating on G2 | 4.8 out of 5 from 2 reviews | 4.2 out of 5 from 95 reviews |
| Support | Support channels include email, a community Slack workspace and plan-specific response-time commitments. | The developer site directs customers to API specialists and the Stax Bill support center for implementation help. |
| What it does | Flexprice provides usage metering, billing and feature-management infrastructure for AI and SaaS products. | Stax Bill automates subscription billing, recurring invoicing, payment collection and revenue recognition for subscription businesses. |