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Apidog vs Mockoon: catalog facts
Apidog	Mockoon
Freemium Free to start, with paid tiers for teams.	Freemium The desktop app and CLI are free and open source; Mockoon Cloud is a paid add-on.
Web, Browser extension	Windows, macOS, Linux, Command line
Design, debugging, mocking and testing in one tool Available as both a desktop and a web client	No account or remote deployment needed Imports OpenAPI specifications
Closed source Broader and heavier than a simple request sender	Focused on REST APIs Hosted deployments require the paid cloud service
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open 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.