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