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Katalon Studio vs Selenium: catalog facts
Katalon Studio	Selenium
Freemium Free to start without a credit card, with paid plans and enterprise capabilities.	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux	Windows, Self-hosted, Command line
Web, mobile, API and desktop testing in one tool No-code, low-code and full-code test authoring	Widely used standard for browser automation Grid distributes tests across many machines and browsers
Proprietary, with key features tied to paid plans Much of the platform is aimed at enterprise QA teams	Requires writing test code Running a Grid takes setup and maintenance
Downloadable app	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: Apache-2.0
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 September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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