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EchoAPI vs Apidog: catalog facts
EchoAPI	Apidog
Freemium Usable without an account, with paid plans listed on the pricing page.	Freemium Free to start, with paid tiers for teams.
Command line	Web, Browser extension
Works without logging in and offline Runs Postman scripts	Design, debugging, mocking and testing in one tool Available as both a desktop and a web client
Closed source Some features are tied to paid plans	Closed source Broader and heavier than a simple request sender
Downloadable app	Downloadable app, Web application, Browser extension
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 23, 2026

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