# Kill Bill vs Zuora

**Leader by vioscaleAI score:** Zuora

| Attribute | Kill Bill | Zuora |
|---|---|---|
| **vioscaleAI score** | 42.5 (77% (high)) | 54.1 (42% (low)) |
| activity.commits_last_30d | 27 | - |
| adoption.dependent_repos | 15 | - |
| adoption.github_stars | 5,793 | - |
| content.faq | `[{"answer":"Kill Bill is an open-source billing and payments platform that handles complex subscription, usage-based, and prepaid billing models with multi-currency invoicing, tax compliance, and payment gateway abstraction. Deploy self-hosted or use fully managed hosting with optional enterprise accelerator capabilities. It is indexed under Billing & Invoicing Software.","source":"https://killbill.io/pricing.html","question":"What is Kill Bill?","confidence":0.6},{"answer":"Kill Bill is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. A commercial or hosted edition starts at $40 per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://killbill.io/pricing.html","question":"Is Kill Bill free to use?","confidence":0.6},{"answer":"Kill Bill supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://killbill.io/pricing.html","question":"What platforms does Kill Bill support?","confidence":0.6},{"answer":"Yes. Kill Bill can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://killbill.io/pricing.html","question":"Can Kill Bill be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for Kill Bill, including Stripe, Adyen, Braintree, PayPal, GoCardless, Avalara, Vertex and LDAP, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://killbill.io/pricing.html","question":"What does Kill Bill integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Kill Bill. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Kill Bill not holding them. Always confirm compliance directly before you rely on it.","source":"https://killbill.io/platform/tax-compliance.html","question":"What security certifications does Kill Bill have?","confidence":0.7},{"answer":"Yes. Kill Bill is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/killbill/killbill","question":"Is Kill Bill open source?","confidence":0.95},{"answer":"Kill Bill is available worldwide. Its primary market is the United States.","source":"https://killbill.io/pricing.html","question":"Where is Kill Bill available?","confidence":0.75}]` | `[{"answer":"Zuora provides a unified quote-to-cash platform that automates billing, revenue recognition, and subscription lifecycle management. It supports multiple pricing models including subscription, usage-based, and hybrid approaches with global compliance and tax handling. It is indexed under Billing & Invoicing Software.","source":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","question":"What is Zuora?","confidence":0.6},{"answer":"Zuora does not publish its prices. Pricing is quoted on request, so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","question":"How much does Zuora cost?","confidence":0.6},{"answer":"Zuora supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","question":"What platforms does Zuora support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Zuora, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","question":"Can Zuora be self-hosted?","confidence":0.6},{"answer":"We have confirmed 14 integrations for Zuora, including Sovos, Avalara, AWS, Snowflake, Fivetran, PEPPOL, Salesforce and CRM systems, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","question":"What does Zuora integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Zuora. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Zuora not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.zuora.com/security","question":"What security certifications does Zuora have?","confidence":0.7},{"answer":"Zuora is available worldwide. The vendor is headquartered in the United States.","source":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","question":"Where is Zuora available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Open-source subscription and usage billing system that runs on your infrastructure, supporting recurring charges, tiered pricing, and usage-based models with detailed invoicing and audit trails. | Zuora provides a unified quote-to-cash platform that automates billing, revenue recognition, and subscription lifecycle management. It supports multiple pricing models including subscription, usage-based, and hybrid approaches with global compliance and tax handling. |
| features.capabilities | `{"dunning":"basic_retry","gl_sync":false,"analytics":true,"api_first":true,"invoicing":true,"tax_handling":"native","self_hostable":true,"pricing_models":"Subscriptions, usage-based, prepaid, postpaid, hybrid, and complex multi-currenc","usage_metering":"real_time","catalog_management":true,"merchant_of_record":false,"revenue_recognition":"native_asc606","subscription_billing":true}` | `{"gl_sync":true,"analytics":true,"api_first":true,"invoicing":true,"tax_handling":"native","self_hostable":false,"pricing_models":"Subscription, usage-based, hybrid, outcome-based models","usage_metering":"real_time","deployment_model":"cloud_managed_saas","catalog_management":true,"merchant_of_record":false,"revenue_recognition":"native_asc606","subscription_billing":true,"netsuite_qbo_erp_sync":true,"salesforce_hubspot_crm_sync":true,"multiple_payment_gateways_routing":true,"tax_automation_vat_sales_tax_sync":true,"metered_usage_based_billing_engine":true}` |
| integrations.count | 10 | 6 |
| integrations.list | `[{"name":"Stripe"},{"name":"Adyen"},{"name":"Braintree"},{"name":"PayPal"},{"name":"GoCardless"},{"name":"Avalara"},{"name":"Vertex"},{"name":"LDAP"},{"name":"Active Directory"},{"name":"Email Notifications","native":true},{"name":"Tax Calculation","native":true,"category":"tax"},{"name":"Analytics","native":true,"category":"analytics"},{"name":"Salesforce","native":false,"category":"crm","direction":"outbound"},{"name":"HubSpot","native":false,"category":"crm","direction":"outbound"},{"name":"NetSuite","native":false,"category":"erp","direction":"outbound"},{"name":"SAP","native":false,"category":"erp","direction":"outbound"},{"name":"QuickBooks","native":false,"category":"erp","direction":"outbound"},{"name":"Hyperswitch","native":true,"category":"payments"},{"name":"Avalara AvaTax","native":true,"category":"tax"},{"name":"Kintsugi","native":true,"category":"tax"}]` | `[{"name":"Sovos"},{"name":"Avalara"},{"name":"AWS"},{"name":"Snowflake"},{"name":"Fivetran"},{"name":"PEPPOL"},{"name":"Salesforce"},{"name":"CRM systems"},{"name":"CPQ"},{"name":"ERP"},{"name":"GL/accounting systems"},{"name":"NetSuite"},{"name":"QuickBooks Online"},{"name":"HubSpot","native":true,"category":"crm"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Kill Bill (Open Source)","summary":"Free, open source under Apache 2.0","features":["Subscription and usage billing","Catalog and invoicing","Multi-tenancy","Plugin framework","REST API","Community support","Self-hosted deployment"],"description":"Free, open-source billing platform with community support","contactSales":false},{"free":false,"name":"Aviate","summary":"$9,999/month billed annually, never tied to revenue","features":["Catalog UI and plan APIs","Coupons","Cloud hosting with auto-scaling","Aviate Metering for usage events","Aviate Wallet for prepaid credits","Aviate Tax","Level 3 support (first response within 1 business day for P1)","Monitoring and health checks","Plugin marketplace"],"commitment":"annual","components":[{"kind":"fixed","amount":9999,"period":"month","currency":"USD"}],"description":"Cloud-hosted enterprise offering with support and additional features","contactSales":false}],"summary":"Free open source or $9,999/month Aviate enterprise","currency":"USD","freeTier":true,"sourceUrl":"https://killbill.io/platform/catalog-pricing.html","retrievedAt":"2026-10-13T15:14:03.999Z","startingPrice":{"amount":9999,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` | `{"type":"quote","sourceUrl":"https://www.zuora.com/2023/06/08/subscription-usage-based-pricing-combine-for-hybrid-pricing-models/","retrievedAt":"2026-08-24T22:35:12.604Z"}` |
| pricing.free_tier | yes | no |
| pricing.model | freemium | quote |
| pricing.price_level | high | unknown |
| pricing.starting_price | `{"amount":9999,"currency":"USD"}` | - |
| pricing.transparent | yes | no |
| release.cadence_days | 47 | - |
| release.history | `[{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.22","date":"2026-09-29T04:01:36Z","type":"stable","version":"killbill-0.24.22"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.21","date":"2026-08-12T06:47:08Z","type":"stable","version":"killbill-0.24.21"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.20","date":"2026-08-07T06:01:08Z","type":"stable","version":"killbill-0.24.20"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.19","date":"2026-07-09T05:52:01Z","type":"stable","version":"killbill-0.24.19"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.18","date":"2026-05-14T06:25:50Z","type":"stable","version":"killbill-0.24.18"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.17","date":"2026-04-23T08:34:31Z","type":"stable","version":"killbill-0.24.17"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.16","date":"2025-11-25T10:52:32Z","type":"stable","version":"killbill-0.24.16"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.15","date":"2025-07-21T06:08:44Z","type":"stable","version":"killbill-0.24.15"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.13","date":"2025-02-07T13:03:42Z","type":"stable","version":"killbill-0.24.13"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.12","date":"2024-10-29T12:47:14Z","type":"stable","version":"killbill-0.24.12"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.11","date":"2024-09-09T13:01:01Z","type":"stable","version":"killbill-0.24.11"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.10","date":"2024-03-18T14:54:37Z","type":"stable","version":"killbill-0.24.10"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.9","date":"2024-02-29T09:03:30Z","type":"stable","version":"killbill-0.24.9"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.7","date":"2024-02-06T08:26:00Z","type":"stable","version":"killbill-0.24.7"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.6","date":"2024-02-01T03:26:56Z","type":"stable","version":"killbill-0.24.6"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.5","date":"2023-08-25T11:36:49Z","type":"stable","version":"killbill-0.24.5"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.4","date":"2023-07-20T06:09:10Z","type":"stable","version":"killbill-0.24.4"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.3","date":"2023-06-27T07:33:33Z","type":"stable","version":"killbill-0.24.3"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.24.2","date":"2023-05-02T10:51:38Z","type":"stable","version":"killbill-0.24.2"},{"url":"https://github.com/killbill/killbill/releases/tag/killbill-0.22.33","date":"2023-04-19T22:10:47Z","type":"stable","version":"killbill-0.22.33"}]` | - |
| reliability.sla_pct | 48 | - |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.hipaa | - | yes |
| security.pci | yes | yes |
| security.scorecard | 4.4 | - |
| security.soc2 | - | yes |
| security.trust_center | https://killbill.io/platform/tax-compliance.html | https://www.zuora.com/jp/products/billing-software/e-invoicing-and-tax-compliance/ |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.kill-bill.billing%3Akillbill-util&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Billing & Invoicing Software)

| Capability | Kill Bill | Zuora |
|---|:--:|:--:|
| **Core** |  |  |
| Subscription billing | ✓ | ✓ |
| Usage metering | Real-time | Real-time |
| Pricing models | Subscriptions, usage-based, prepaid, postpaid, hybrid, and complex multi-currenc | Subscription, usage-based, hybrid, outcome-based models |
| Invoicing & AR | ✓ | ✓ |
| Catalog management | ✓ | ✓ |
| **Commerce** |  |  |
| Merchant of record | ✗ | ✗ |
| **Finance** |  |  |
| Revenue recognition | Native ASC 606 | Native ASC 606 |
| Tax handling | Native | Native |
| **Collections** |  |  |
| Dunning | Basic retry | - |
| **Integrations** |  |  |
| GL / ERP sync | ✗ | ✓ |
| **Ecosystem** |  |  |
| API-first / developer-first | ✓ | ✓ |
| **Deployment** |  |  |
| Self-hostable | ✓ | ✗ |
| **Insight** |  |  |
| Revenue analytics | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:51:33.321Z. "-" = undocumented, not absent.*