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EchoAPI vs Apifox: catalog facts
EchoAPI	Apifox
Freemium Usable without an account, with paid plans listed on the pricing page.	Freemium Free to start, with paid plans for teams.
Command line	Web
Works without logging in and offline Runs Postman scripts	Design, debugging, mocking and testing in one tool Desktop and web clients
Closed source Some features are tied to paid plans	Proprietary Official site blocks automated access, so feature details here are limited
Downloadable app	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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