Kill Bill

Kill Bill is ranked #1 of 50 in subscription billing software on The Finance Base. It runs on API, Linux, macOS, Self-hosted, Web, Windows. There is a free plan. A free trial is offered.

Kill Bill plans and pricing

All plans

Self-Hosted Open Source Not published Self-hosted deployment · Open-source Kill Bill core · Full control of infrastructure and data killbill.io · 19 Sept 2026

Self-Hosted Open Source Free Self-hosted · 100% open-source · You operate infrastructure and upgrades killbill.io · 30 Sept 2026

Hosted Platform (ChaChing) Not published Separate commercial model Fully managed · Same Kill Bill APIs and data model killbill.io · 30 Sept 2026

AWS Marketplace Not published ~$40/mo, plus AWS infrastructure costs Runs in your AWS account · You operate the stack killbill.io · 30 Sept 2026

Compared on subscription billing software

Free plan: Yes
Paid from: $40/mo

Best Kill Bill alternatives

See all 12

7.2 PayWhirl $9/mo first paid tier Free plan

7.1 Pabbly Subscriptions $14/mo first paid tier Free plan

7.0 UniBee $99/mo first paid tier Free plan

6.6 Lago Free free plan, no paid price published Free plan

6.5 Churn Buster See plans price on the maker's page 6.4 FOSSBilling See plans price on the maker's page

Kill Bill

Product: Kill Bill is an open-source, programmable billing platform with APIs for pricing models, subscriptions, invoices, and payment gateway integrations.
Subscription billing: It supports subscriptions and pricing models including usage-based billing.
Payment platform: Its payment platform connects to payment gateways, issuing banks, and fraud tools through plugins.
Admin interface: Kaui is a web-based back-office interface for configuring price books and managing subscriptions and payments.
Integrations: The maker lists Stripe, Adyen, PayPal, Braintree, GoCardless, Coinbase, Avalara, and Vertex among its integrations.
Deployment: The maker provides Docker and Tomcat installation options and says Kill Bill can run on Windows, Mac, or Linux computers, or on a Linux cloud server.
Security: The overview describes encryption at rest and in transit, TLS communications, AES-256 stored-data encryption, audit logs, role-based access controls, and multi-tenant isolation.
Compliance: The maker says Kill Bill provides technical controls intended to help enterprises meet SOC 2 and PCI-DSS requirements.
Support: The self-hosted open-source option includes community support, while paid support tiers are separately purchased for customer-managed deployments.
Limits: Self-hosting requires the customer to operate and upgrade Kill Bill; the maker says hosted-platform pricing follows a separate commercial model.
Intended users: The maker describes Kill Bill as serving online businesses, teams needing customization, startups, and growth-stage companies.
Founded: 2010
Price from: Free

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Where it ranks on The Finance Base

Best Subscription Billing Software in 2026#1 of 50

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Sources

docs.killbill.io/latest/what_is_kill_bill· checked 30 Sept 2026
killbill.io/subscription-billing· checked 30 Sept 2026
killbill.io· checked 30 Sept 2026
killbill.io/kaui· checked 30 Sept 2026
docs.killbill.io/latest/getting_started· checked 30 Sept 2026
killbill.io/overview· checked 30 Sept 2026
killbill.io/pricing· checked 30 Sept 2026