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Loadster vs Locust: catalog facts
Loadster	Locust
Freemium Free to start testing, with paid plans for larger tests.	Free Free and open source; paid support is available separately from Locust.cloud.
Web	Windows, macOS, Linux, Command line
Choice of real browsers, HTTP bots or Playwright scripts Runs from 32 cloud regions	Test scenarios written as ordinary Python code Distributed runs across multiple machines
Cloud service only, not self-hostable Large tests require a paid plan	Requires writing Python to define tests Documentation is focused mainly on HTTP testing
Hosted service	Downloadable app
Closed source	Open source
License not stated	License not stated
Account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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