BillingEngine vs Peppox

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.

Peppox is a cloud service for Peppol e-invoicing, with an API and dashboard for companies, developers and integrators. Its PDF2Peppol workflow extracts invoice information, turns it into a structured Peppol document and requests confirmation before sending. The API can build invoice data, add lines, generate UBL and follow delivery; Peppox also lists UBL and Peppol BIS validation, real-time tracking and webhooks for status updates. Customers can use its Managed Access Point or connect an existing one, including Ibanity, Wolters Kluwer Connect and CodaBox. Developer resources include a sandbox, PHP, Python and Node.js SDKs, and separate integration and production environments. The features page lists credential and certificate management, encrypted certificate storage, queued transmission, automatic retry and fallback, and 24/7 monitoring and alerting. The Company plan is €29/month for 1,000 sent and received invoices, then €0.89 per additional invoice. Integrator plans cost €59/month with your own Access Point or €89/month with Managed Access Point. Company registration and Managed Access Point service are listed in six European countries.