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Akaunting vs Invoice Ninja: catalog facts
Akaunting	Invoice Ninja
Freemium The self-hosted Standard plan is free; other plans and the online service may cost extra.	Freemium Free plan available, with paid plans that carry a 30-day money-back guarantee.
Web, Self-hosted	Linux, Web
Can be self-hosted with source code available Invoicing, expenses and cash flow in one place	Supports many payment gateways for one-click client payments Recurring invoices and auto-billing
Aimed at business bookkeeping rather than household budgets Some features sit outside the free plan	Hosted service requires an account Some features are reserved for paid plans
Web application, Self-hosted, Hosted service	Downloadable app, Hosted service
Closed source	Open source
License not stated	License: AAL
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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