Compare software

Invoice Ninja vs SolidInvoice: catalog facts
Invoice NinjaSolidInvoice
Freemium

Free plan available, with paid plans that carry a 30-day money-back guarantee.

Freemium

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

Linux, Web Web, Self-hosted
  • Supports many payment gateways for one-click client payments
  • Recurring invoices and auto-billing
  • Quotes, recurring invoices and automatic reminders
  • Online payments via Stripe and PayPal
  • Hosted service requires an account
  • Some features are reserved for paid plans
  • Self-hosting requires a PHP server setup
  • Focused on invoicing rather than full accounting
Downloadable app, Hosted service Self-hosted, Hosted service
Open source Open source
License: AAL License: MIT
Account needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked October 2, 2026

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