# Kill Bill vs Paddle

**Leader by vioscaleAI score:** Paddle

| Attribute | Kill Bill | Paddle |
|---|---|---|
| **vioscaleAI score** | 42.5 (77% (high)) | 54.9 (62% (medium)) |
| 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":"Paddle processes payments and manages subscriptions for software and app companies that sell across multiple countries. It automatically handles tax collection and remittance, recovers failed payments, and provides revenue analytics. It is indexed under Billing & Invoicing Software.","source":"https://www.paddle.com/blog/saas-pricing-models-strategies-fltr","question":"What is Paddle?","confidence":0.6},{"answer":"Paddle is sold across 2 plans: Pay-as-you-go and Custom pricing. We have not confirmed a published price for every tier. There is no free tier. Pricing changes often, so verify at source before relying on it.","source":"https://www.paddle.com","question":"How much does Paddle cost?","confidence":0.6},{"answer":"We have confirmed browser-based access to Paddle. 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://www.paddle.com/blog/saas-pricing-models-strategies-fltr","question":"What platforms does Paddle support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Paddle, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://www.paddle.com/blog/saas-pricing-models-strategies-fltr","question":"Can Paddle be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Paddle, including Drift, HubSpot and Intercom. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.paddle.com/blog/saas-pricing-models-strategies-fltr","question":"What does Paddle integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Paddle. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Paddle not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.paddle.com/billing/tax-and-compliance","question":"What security certifications does Paddle have?","confidence":0.7}]` |
| 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 comprehensive payment and billing service for digital product companies that handles transactions, subscriptions, sales tax compliance, and regulatory requirements across 300+ markets, eliminating the need for separate payment processors and tax administration infrastructure. |
| 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}` | `{"dunning":"smart","analytics":true,"api_first":true,"invoicing":true,"tax_handling":"native","self_hostable":false,"pricing_models":"Subscriptions, per-user, usage-based, and tiered billing","merchant_of_record":true,"subscription_billing":true}` |
| integrations.count | 10 | 3 |
| 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":"Drift"},{"name":"HubSpot"},{"name":"Intercom"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"ios":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":"usage","plans":[{"free":false,"name":"Pay-as-you-go","summary":"5% + 50¢ per checkout transaction","features":["Checkout and payment processing","Subscription management and recurring billing","Sales tax and VAT compliance across jurisdictions","Fraud protection and chargeback management","Financial and management reporting","Customer support and billing assistance","Migration service for subscribers"],"components":[{"of":"transaction","kind":"percentage","plus":{"amount":0.5,"currency":"USD"},"rate":5}],"contactSales":false},{"free":false,"name":"Custom pricing","features":["Flexible pricing for high-volume or low-value transactions","Dedicated customer success team","Premium implementation services"],"contactSales":true}],"addOns":[{"name":"Premium Advisory"},{"name":"Invoicing"},{"name":"Implementation service"}],"summary":"5% + 50¢ per transaction with no monthly fees or hidden costs. Custom pricing available for large-volume businesses.","currency":"USD","freeTier":false,"sourceUrl":"https://www.paddle.com/pricing","retrievedAt":"2026-10-07T13:49:51.129Z"}` |
| pricing.free_tier | yes | no |
| pricing.model | freemium | commercial |
| pricing.price_level | high | unknown |
| pricing.starting_price | `{"amount":9999,"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 | - |
| reliability.status_page | - | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"PCI DSS","level":"SAQ A","status":"active"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | yes |
| security.pci | yes | yes |
| security.scorecard | 4.4 | - |
| security.soc2 | - | yes |
| security.trust_center | https://killbill.io/platform/tax-compliance.html | https://www.paddle.com/billing/tax-and-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 | Paddle |
|---|:--:|:--:|
| **Core** |  |  |
| Subscription billing | ✓ | ✓ |
| Usage metering | Real-time | - |
| Pricing models | Subscriptions, usage-based, prepaid, postpaid, hybrid, and complex multi-currenc | Subscriptions, per-user, usage-based, and tiered billing |
| Invoicing & AR | ✓ | ✓ |
| Catalog management | ✓ | - |
| **Commerce** |  |  |
| Merchant of record | ✗ | ✓ |
| **Finance** |  |  |
| Revenue recognition | Native ASC 606 | - |
| Tax handling | Native | Native |
| **Collections** |  |  |
| Dunning | Basic retry | Smart |
| **Integrations** |  |  |
| GL / ERP sync | ✗ | - |
| **Ecosystem** |  |  |
| API-first / developer-first | ✓ | ✓ |
| **Deployment** |  |  |
| Self-hostable | ✓ | ✗ |
| **Insight** |  |  |
| Revenue analytics | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:14:32.992Z. "-" = undocumented, not absent.*