BillingEngine vs Holodeck B2B
BillingEngine
billingengine.comHolodeck B2B
holodeck-b2b.orgSide by side
| Figure | BillingEngine | Holodeck B2B |
|---|---|---|
| Price from | €6/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| API | Yes | — |
| Plans published | 4 | 1 |
| Spec score · Electronic Invoicing Software | 9.0 (#2) | 7.7 (#14) |
| Compliance | BillingEngine states that document archiving is GoBD-compliant and data protection follows GDPR requirements. | The maker says Holodeck B2B is AS4 compliant and lists e-SENS/CEF eDelivery, ENTSOG/ENTSOE, EESSI, and Superstream profile compliance. |
| Integrations | The pricing page lists DATEV data export and a REST API for customers, invoices and payments. | File-based backend integration is included; REST API integration is available as an extension, and custom backends such as Web Services and JMS can be built using the API. |
| Security | The company states that data is encrypted in transit, stored on German servers and protected by regular backups. | The feature page lists message signing and encryption using WS-Security 1.1.1, certificate trust stores, OCSP checks, and AS4 non-repudiation of receipt. |
| Support | Priority email support is included as a plan feature, with requests often answered the same business day. | The maker offers a support contract providing help directly from the developers. |
Plans
BillingEngine
- FreeFree
- Basic€6 a month
- Premium€12 a month
- FreePrice not published
In their own words
BillingEngine
BillingEngine is cloud invoicing and accounting software for freelancers and small businesses. It creates electronic invoices in ZUGFeRD and XRechnung formats compliant with EN 16931, and every plan includes an unlimited email inbox for incoming e-invoices. Accepted quotes can become invoices, and reminders can be sent at several dunning levels. Receipt recognition extracts amount, date, tax rate and supplier, then matches receipts to expenses. Users can export data in DATEV, CSV, XLS, XML or PDF formats; listed integrations include DATEV export and a REST API for customers, invoices and payments. The free plan allows three invoices, three quotes and three receipts per month for one user. Basic costs €6 a month plus VAT and allows 30 of each document type monthly for two users. Premium costs €12 a month plus VAT and provides unlimited invoices, quotes and receipts for five users. BillingEngine says data is encrypted in transit, stored on servers in Germany and archived in a GoBD-compliant manner.
Holodeck B2B
Holodeck B2B is open-source software for business-to-business messaging, implementing the OASIS ebXML Messaging 3 and AS4 specifications. It can run as a standalone AS4 gateway or connect with a business system through provided interfaces. The software supports one-way and two-way exchanges using push and pull patterns, including files and attachments up to 2 GB. Gateway monitoring is available through command-line and graphical interfaces. A file-based backend is included; REST API integration is an extension, and the API can be used to build custom backends such as Web Services and JMS. An open-source AS2 extension lets a gateway exchange both AS2 and AS4 messages, with protocol selection in the P-Mode. Listed security features include signing and encryption with WS-Security 1.1.1, certificate trust stores, OCSP checks and AS4 non-repudiation of receipt. Version 7.0 is released under GNU GPL 3, and the software runs on Linux, macOS and Windows. The binary package does not include Java and requires JRE 11 or later.