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Zoho InvoiceKsefInvoice
Free

Free to use; payment gateway fees may apply.

 Free

Freeware with no subscription or per-document KSeF fees.

Windows, macOS, Android, iOS, Web Windows, Linux
  • Free invoicing with online payments and reminders
  • Apps for mobile and desktop as well as the web
  • Sends and retrieves documents through KSeF
  • Handles invoices, corrections, receipts and multiple currencies
  • Invoicing only; full bookkeeping needs a separate accounting product
  • Requires a Zoho account
  • Interface is currently available only in Polish
  • Focused on Polish tax and e-invoicing systems
Downloadable app, Web application, Hosted service Downloadable app
Closed source Closed source
License not stated License: Freeware
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 8, 2026

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