Faktwise is a Shopify app for German merchants that issues invoices and e-invoices from paid orders. It creates sequential invoices and credit notes, a ZUGFeRD PDF with embedded XML, or a PDF plus XRechnung XML for eligible public-sector orders. It is Shopify only and has an App Store listing, changelog, terms, privacy, DPA and imprint pages.
It keeps a 10-year archive designed around GoBD, a monthly ZIP export (PDF, XML and summary CSV) for your accountant, and an OSS quarterly report. Pricing through Shopify: free up to 25 invoices a month, Unlimited at 22 USD a month, with a 14-day free trial and no per-order fees.
Faktwise was built as a simple Shopify app that creates ZUGFeRD and XRechnung e-invoices straight from orders for German merchants.