Kill Bill
8.3#1 in subscription billing softwareFrom $9,999 a monthFree planWebAPILinuxmacOS
VisitKill Bill vs PaymentKit
PaymentKit
6.1#33 in dunning management softwareFrom $99 a monthWebAPI
VisitWhat both publish
| Fact | Kill Bill | PaymentKit |
|---|---|---|
| Integrations | The maker lists Stripe, Adyen, PayPal, Braintree, GoCardless, Coinbase, Avalara, and Vertex among its integrations. | The site lists Stripe, Authorize.net, PayPal, and Airwallex among its integrations. |
| 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. | PaymentKit says it provides a PCI-compliant card vault, built-in 3D Secure, and fraud controls that can apply across connected processors. |
Kill Bill plans
- Kill Bill open sourceFree
- Self-Hosted Open SourceFree
- Aviate$9,999 a month
- AWS Marketplace—
- Hosted Platform (ChaChing)Priced on request
PaymentKit plans
- Standard$99 a month
- CustomPriced on request
Pick Kill Bill if…
Kill Bill may suit online businesses and teams that need customizable subscription or usage-based billing. It is also described for startups and growth-stage companies, particularly those prepared to operate a self-hosted deployment.
Pick PaymentKit if…
You want what its maker publishes above — check its page for the details.