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Postman vs Nitro: catalog facts
Postman	Nitro
Freemium A free tier covers individual use with limits on collaborators, collection runs and…	Freemium Free to start, with paid options for teams on the ChilliCream platform.
Windows, macOS, Linux, Web, Browser extension	macOS, Web
The most widely used API client, so collections and tutorials for it are everywhere Collections with environments, pre-request and test scripts, and a built-in runner	Dedicated environment for exploring and querying GraphQL APIs Works alongside Hot Chocolate and Fusion on .NET
Built around a cloud workspace, and an account is effectively required Offline and local-only use has become harder over successive versions	Focused on GraphQL rather than REST or other APIs Product site is aimed mainly at enterprise platform users
Downloadable app, Web application, Browser extension	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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