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Apidog vs EchoAPI: catalog facts
Apidog	EchoAPI
Freemium Free to start, with paid tiers for teams.	Freemium Usable without an account, with paid plans listed on the pricing page.
Web, Browser extension	Command line
Design, debugging, mocking and testing in one tool Available as both a desktop and a web client	Works without logging in and offline Runs Postman scripts
Closed source Broader and heavier than a simple request sender	Closed source Some features are tied to paid plans
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	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.