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G8 Invoicing vs Akaunting: catalog facts
G8 Invoicing	Akaunting
Free Free and open source under the GPL-3.0 licence.	Freemium The self-hosted Standard plan is free; other plans and the online service may cost extra.
Android	Web, Self-hosted
Converts quotes and delivery notes into invoices Exports PDF, Factur-X and CII-XML	Can be self-hosted with source code available Invoicing, expenses and cash flow in one place
Small project with a limited user base Android is the only documented platform	Aimed at business bookkeeping rather than household budgets Some features sit outside the free plan
Downloadable app	Web application, Self-hosted, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is 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 2, 2026	Official website Full listing and sources Checked September 24, 2026

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