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SolidInvoice vs Rechnungs-Assistent: catalog facts
SolidInvoiceRechnungs-Assistent
Freemium

Free to self-host; the hosted service is a monthly subscription with a 14-day trial.

Free

Free and open source under the GPL-3.0-or-later license.

Web, Self-hosted Linux
  • Quotes, recurring invoices and automatic reminders
  • Online payments via Stripe and PayPal
  • Stores customer and item details for reuse
  • Imports and exports data as CSV
  • Self-hosting requires a PHP server setup
  • Focused on invoicing rather than full accounting
  • Designed for German invoicing
  • Available for Linux
Self-hosted, Hosted service Downloadable app
Open source Open source
License: MIT License: GPL-3.0-or-later
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.