Best Electronic Invoicing Software in 2026
Updated
In short: Billit is ranked #1 of 32 as of 5 October 2026, ahead of Holodeck B2B and B2Brouter. The best-ranked option with a free plan is Holodeck B2B. The lowest first paid tier on this page is BillingEngine at €6/mo.
Sending invoices electronically involves more than creating a document: formats, tax checks, and connections to other systems can all matter. Compare Peppol access, structured formats, and tax validation with the requirements of your billing process. API access and deployment help frame system-fit questions, while invoice limits, free-plan availability, and paid-from pricing offer context on volume and cost. Billit, B2Brouter, and BillingEngine are among the software options shown, with ONESOURCE Pagero and Tungsten e-Invoice Connect also included. Use the listed details to assess which tools support the invoice exchange and integrations your organization needs.
32 electronic invoicing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
7 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | BillitWeb · Android · iPhone · API | Three bars | — | 3 of 6 | €690/mo | 6.6 | |
| 2 | Holodeck B2BWindows · Mac · Linux | Three bars | — | 3 of 6 | Free | 6.5 | |
| 3 | B2BrouterWeb · API | Two bars | — | 1 of 6 | €9.17/mo | 6.4 | |
| 4 | BillingEngineWeb · API | Two bars | — | 1 of 6 | €6/mo | 6.4 | |
| 5 | ONESOURCE PageroWeb · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 6 | PeppolSoftWeb · API | Two bars | — | 1 of 6 | $100/mo | 6.4 | |
| 7 | Tungsten e-Invoice ConnectWeb | Two bars | — | 1 of 6 | Free | 6.3 | |
| 8 | UnimazeWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | — | 5.6 |
| 9 | Vertex e-InvoicingWeb · API | One bar | — | — | 1 of 6 | — | 5.5 |
| 10 | Clear e-InvoicingWeb | One bar | — | — | 1 of 6 | — | 5.3 |
| 11 | Comarch Accounts Payable AutomationWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | — | 5.3 |
| 12 | DomibusSelf-hosted · API | One bar | — | — | 0 of 6 | — | 5.3 |
| 13 | Tungsten Power PDFWeb · Windows · Mac · Android · iPhone | Two bars | — | — | 5 of 6 | $179/mo | 5.3 |
| 14 | 4CEE ExchangeNo platforms listed | No signal | — | — | 0 of 6 | — | 5.2 |
| 15 | Arratech Peppol-as-a-ServiceWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 16 | B2BE E-InvoicingWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 17 | Cygnet e-InvoicingWeb · Self-hosted · API | No signal | — | — | 1 of 6 | — | 5.2 |
| 18 | ecosioWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 19 | EDICOM Global e-InvoicingWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 20 | Masters India e-InvoicingWeb | No signal | — | — | 1 of 6 | — | 5.2 |
| 21 | PeppoxWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | €29/mo | 5.2 |
| 22 | Sovos VAT ComplianceAPI | One bar | — | — | 0 of 6 | — | 5.2 |
| 23 | Unifiedpost BanqupWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | €2,000/mo | 5.2 |
| 24 | BaswareWeb · Android · iPhone · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 25 | Tickstar Peppol Access PointNo platforms listed | No signal | — | — | 0 of 6 | — | 5.1 |
Compare all 25 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Peppol access | Tax validation |
|---|---|---|---|---|---|---|---|---|
| 1 | Billit | 6.6 | Free plan | €690/mo | Yes | — | Yes | Yes |
| 2 | Holodeck B2B | 6.5 | Free plan | Free | — | — | Yes | — |
| 3 | B2Brouter | 6.4 | Free plan | €9.17/mo | Yes | — | Yes | Yes |
| 4 | BillingEngine | 6.4 | Free plan | €6/mo | Yes | — | — | Yes |
| 5 | ONESOURCE Pagero | 6.4 | Free plan | Free | Yes | — | Yes | Yes |
| 6 | PeppolSoft | 6.4 | Free plan | $100/mo | Yes | — | Yes | Yes |
| 7 | Tungsten e-Invoice Connect | 6.3 | Free plan | Free | Yes | — | Yes | Yes |
| 8 | Unimaze | 5.6 | No | — | — | — | Yes | Yes |
| 9 | Vertex e-Invoicing | 5.5 | No | — | — | — | Yes | Yes |
| 10 | Clear e-Invoicing | 5.3 | No | — | — | — | Yes | Yes |
| 11 | Comarch Accounts Payable Automation | 5.3 | No | — | — | — | Yes | Yes |
| 12 | Domibus | 5.3 | No | — | — | — | — | — |
| 13 | Tungsten Power PDF | 5.3 | No | $179/mo | Yes | — | Yes | Yes |
| 14 | 4CEE Exchange | 5.2 | No | — | — | — | Yes | Yes |
| 15 | Arratech Peppol-as-a-Service | 5.2 | No | — | — | — | Yes | Yes |
| 16 | B2BE E-Invoicing | 5.2 | No | — | — | — | Yes | Yes |
| 17 | Cygnet e-Invoicing | 5.2 | No | — | — | — | Yes | Yes |
| 18 | ecosio | 5.2 | No | — | — | — | Yes | Yes |
| 19 | EDICOM Global e-Invoicing | 5.2 | No | — | — | — | Yes | Yes |
| 20 | Masters India e-Invoicing | 5.2 | No | — | — | — | — | Yes |
| 21 | Peppox | 5.2 | No | €29/mo | No | — | Yes | Yes |
| 22 | Sovos VAT Compliance | 5.2 | No | — | — | — | — | — |
| 23 | Unifiedpost Banqup | 5.2 | No | €2,000/mo | No | — | Yes | Yes |
| 24 | Basware | 5.1 | No | — | No | — | — | — |
| 25 | Tickstar Peppol Access Point | 5.1 | No | — | — | — | Yes | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which electronic invoicing software is ranked first on Freedom251?
Billit is ranked #1 of 32 with a score of 6.6. Holodeck B2B is second and B2Brouter third.
How many of these have a free plan?
7 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, BillingEngine has the lowest first paid tier we found: €6/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.