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Thunder Client vs EchoAPI: catalog facts
Thunder Client	EchoAPI
Freemium A free tier is available. Paid licences add team and advanced features.	Freemium Usable without an account, with paid plans listed on the pricing page.
Windows, macOS, Linux	Command line
Runs inside the editor, so no second application to switch to Collections stored as repository files instead of a cloud account	Works without logging in and offline Runs Postman scripts
Team features and some collection capabilities require a paid licence Tied to VS Code and JetBrains editors	Closed source Some features are tied to paid plans
Downloadable app	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 22, 2026	Official website Full listing and sources Checked September 23, 2026

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