Frequently asked questions about the Fakturnaut app

Answers to common questions about the app: cost, formats, corrections, retention and the security of your data.

What does the app cost?

App Free is free for good. App Plus and App Europe are paid plans and keep your invoices in your account. What each plan includes and costs is under Plans and billing.

Are the invoices valid e-invoices?

Yes. The app creates XRechnung and ZUGFeRD according to the standard EN 16931 and checks every invoice against the official rules before it is issued.

Which format should I choose?

ZUGFeRD for most customers, a PDF file with embedded data. Public authorities usually require XRechnung. More under Send and download.

Can I change an issued invoice?

No. Cancel a wrong invoice with a cancellation invoice or put it right with a corrective invoice. See Cancel or correct an invoice.

Why is my invoice not issued?

The check before issuing found an error, for example a missing post code. The app names every error. Add the missing detail and issue again.

How long must I keep invoices?

In Germany generally 8 years. App Free keeps no invoice files; keep the downloaded files yourself. See Archive and retention.

Where is my data stored?

On servers in Frankfurt am Main in the EU.

Can I receive e-invoices with the app?

You can upload, check and read received XRechnung and ZUGFeRD invoices. With App Plus and App Europe they are kept. See Received invoices.