FastSpring vs Kill Bill
| FastSpring | Kill Bill | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | Yes |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Web | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | No | Yes |
| Paid from | — | 40 /mo |
| Usage-based billing | — | Yes |
| Proration controls | — | Yes |
| Dunning automation | — | Yes |
| Tax automation | — | Yes |
| Multi-currency billing | — | Yes |
Both are listed in Best Subscription Billing Software. On The Finance Base, Kill Bill scores higher on our published basis.