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Assertible vs ReadyAPI: catalog facts
Assertible	ReadyAPI
Freemium Hosted service that requires sign-up; see the site for plans.	Paid Commercial licence with a free trial available.
Web	Windows, macOS, Linux
Continuous monitoring as well as one-off tests Syncs tests with an imported API specification	Functional, performance, security testing and virtualization in one tool Codeless test creation with scripting when needed
Requires an account Hosted only, with no self-hosted option mentioned	Paid commercial product after the trial Heavier than simple HTTP request clients for quick manual calls
Hosted service	Downloadable app
Closed source	Closed source
License not stated	License: Proprietary
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
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.