BillingEngine vs InvoiceShelf
| BillingEngine | InvoiceShelf | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | €6/mo | Free |
| Open source | No | No |
| Platforms | api, Web | api, self-hosted, Web |
| Free plan | Yes | Yes |
| Recurring invoices | — | Yes |
Both are listed in Best Invoicing Software. On Freedom251, InvoiceShelf scores higher on our published basis.