# Kill Bill vs Quaderno

**Leader by vioscaleAI score:** Quaderno

| Attribute | Kill Bill | Quaderno |
|---|---|---|
| **vioscaleAI score** | 42.5 (77% (high)) | 56.2 (38% (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":"A cloud-based service that handles international tax calculations, automatically generates compliant invoices, tracks sales across jurisdictions, and can file tax returns on behalf of the business. It provides real-time nexus alerts and simplifies multi-country tax obligations. It is indexed under Billing & Invoicing Software.","source":"https://quaderno.io/pricing/","question":"What is Quaderno?","confidence":0.6},{"answer":"Quaderno offers a free tier, so you can start without paying. Paid plans start at $29 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://quaderno.io/pricing/","question":"Is Quaderno free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Quaderno. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://quaderno.io/pricing/","question":"What platforms does Quaderno support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Quaderno, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://quaderno.io/pricing/","question":"Can Quaderno be self-hosted?","confidence":0.6},{"answer":"We have confirmed 12 integrations for Quaderno, including Stripe, PayPal, GoCardless, Xero, Braintree, Hotmart, PEPPOL and TicketBAI, plus 4 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://quaderno.io/pricing/","question":"What does Quaderno integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Quaderno. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Quaderno not holding them. Always confirm compliance directly before you rely on it.","source":"https://quaderno.io/legal/security/","question":"What security certifications does Quaderno have?","confidence":0.7},{"answer":"Quaderno is available worldwide. Its primary markets are the United States, the EU, Brazil, Mexico, Chile and India.","source":"https://quaderno.io/pricing/","question":"Where is Quaderno 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. | A platform that automatically handles sales tax, VAT, and GST compliance in 150+ countries, including tax calculations, invoice generation, threshold monitoring, and tax return filing services. |
| 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","pricing_model":"flat_subscription","self_hostable":false,"pricing_models":"Tiered subscription with transaction-based limits","usage_metering":"basic","subscription_billing":true,"eu_vat_cross_border_calculation":true,"us_sales_tax_address_validation":true,"digital_goods_software_tax_rules":true,"shopify_stripe_native_integration":true,"real_time_checkout_calculation_api":true,"automated_return_filing_and_payment":true,"economic_nexus_jurisdiction_tracking":true,"exemption_certificate_management_b2b":true}` |
| integrations.count | 10 | 8 |
| 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":"Stripe"},{"name":"PayPal"},{"name":"GoCardless"},{"name":"Xero"},{"name":"Braintree"},{"name":"Hotmart"},{"name":"PEPPOL"},{"name":"TicketBAI"},{"name":"Facturae"},{"name":"Square"},{"name":"Amazon"},{"name":"WooCommerce"},{"name":"Shopify","native":true,"category":"e-commerce"},{"name":"Zapier","native":false,"category":"automation"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US","EU","BR","MX","CL","IN","KR","TW"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":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":"subscription","plans":[{"free":false,"name":"Hobby","summary":"$24/month","minSeats":1,"commitment":"monthly","components":[{"kind":"fixed","amount":24,"period":"month","currency":"USD"}],"description":"25 transactions per month","contactSales":false,"includedLimits":{"users":"1","integrations":"1","transactions":"25/mo","jurisdictions":"1"}},{"free":false,"name":"Growth","summary":"$41/month","features":["Unlimited users","Unlimited jurisdictions","Unlimited integrations","Team collaboration"],"commitment":"monthly","components":[{"kind":"fixed","amount":41,"period":"month","currency":"USD"}],"description":"250 transactions per month","contactSales":false,"includedLimits":{"transactions":"250/mo"}},{"free":false,"name":"Professional","summary":"$83/month","features":["Unlimited users","Unlimited jurisdictions","Unlimited integrations","Team collaboration"],"commitment":"monthly","components":[{"kind":"fixed","amount":83,"period":"month","currency":"USD"}],"description":"1,000 transactions per month","contactSales":false,"includedLimits":{"transactions":"1,000/mo"}},{"free":false,"name":"Business","summary":"$124/month","features":["Unlimited users","Unlimited jurisdictions","Unlimited integrations","Team collaboration"],"commitment":"monthly","components":[{"kind":"fixed","amount":124,"period":"month","currency":"USD"}],"description":"2,500 transactions per month","contactSales":false,"includedLimits":{"transactions":"2,500/mo"}},{"free":false,"name":"Enterprise","description":"2,500+ transactions per month","contactSales":true}],"summary":"From $24/month. 7-day free trial.","currency":"USD","freeTier":false,"sourceUrl":"https://quaderno.io/pricing/","retrievedAt":"2026-10-07T15:28:44.199Z","freeTrialDays":7,"startingPrice":{"amount":24,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | no |
| pricing.model | freemium | commercial |
| pricing.price_level | high | mid |
| pricing.starting_price | `{"amount":9999,"currency":"USD"}` | `{"amount":24,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| 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 | 99.99 |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.pci | yes | - |
| security.scorecard | 4.4 | - |
| security.trust_center | https://killbill.io/platform/tax-compliance.html | https://quaderno.io/blog/electronic-invoicing/e-invoicing-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 | Quaderno |
|---|:--:|:--:|
| **Core** |  |  |
| Subscription billing | ✓ | ✓ |
| Usage metering | Real-time | Basic |
| Pricing models | Subscriptions, usage-based, prepaid, postpaid, hybrid, and complex multi-currenc | Tiered subscription with transaction-based limits |
| Invoicing & AR | ✓ | ✓ |
| Catalog management | ✓ | - |
| **Commerce** |  |  |
| Merchant of record | ✗ | - |
| **Finance** |  |  |
| Revenue recognition | 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 2026-10-16T20:51:33.255Z. "-" = undocumented, not absent.*