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Karate vs Assertible: catalog facts
Karate	Assertible
Free Free and open source.	Freemium Hosted service that requires sign-up; see the site for plans.
Command line	Web
API testing, mocks, performance and UI automation in one tool Readable test scenarios	Continuous monitoring as well as one-off tests Syncs tests with an imported API specification
Requires a Java environment Tests are written as scripts rather than built in a GUI	Requires an account Hosted only, with no self-hosted option mentioned
Downloadable app	Hosted service
Open source	Closed source
License: MIT	License not stated
No account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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