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Invoice Ninja vs Billance: catalog facts
Invoice Ninja	Billance
Freemium Free plan available, with paid plans that carry a 30-day money-back guarantee.	Freemium Free to start; details of paid plans are not given in the research.
Linux, Web	Linux
Supports many payment gateways for one-click client payments Recurring invoices and auto-billing	Creates XRechnung and ZUGFeRD to EN 16931 Converts existing PDF invoices into e-invoices
Hosted service requires an account Some features are reserved for paid plans	Interface and website are in German Proprietary software
Downloadable app, Hosted service	Downloadable app
Open source	Closed source
License: AAL	License: Proprietary
Account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.