Compare software

Inso vs Newman: catalog facts
Inso	Newman
Free Free to download and use as part of Kong's Insomnia platform.	Free Free to install from npm.
macOS, Command line	Windows, macOS, Linux, Command line
Runs Insomnia tests and collection runs in CI/CD Lints API specifications with support for custom rules	Runs Postman collections from the terminal Fits into CI pipelines
Most useful alongside the Insomnia desktop app Command line only, no graphical interface	Depends on collections built in Postman No graphical interface
Downloadable app	Downloadable app
Open 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	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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