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Apidog vs Yaak: catalog facts
Apidog	Yaak
Freemium Free to start, with paid tiers for teams.	Freemium Yaak is MIT licensed and free to build and use. Development is funded by…
Web, Browser extension	Windows, macOS, Linux
Design, debugging, mocking and testing in one tool Available as both a desktop and a web client	Requests are stored as files on your machine, so a git repository is the shared collection REST, GraphQL, gRPC, WebSocket and Server-Sent Events in one client
Closed source Broader and heavier than a simple request sender	A much younger project than Postman, with a smaller community No hosted collaboration features if that is what you actually want
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: MIT
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 21, 2026

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