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Loader.io vs Apache JMeter: catalog facts
Loader.io	Apache JMeter
Freemium Free load testing service with paid plans listed on its pricing page.	Free Free and open source from the Apache Software Foundation.
Web	Windows, macOS, Linux, Command line
No load generation infrastructure to run yourself Real-time monitoring of each test	Tests many protocols, including HTTP, REST, SOAP, FTP and databases Distributed testing across several machines
Requires an account and registering your target host Closed source hosted service	Requires a Java runtime Test plans take time to learn for newcomers
Hosted service	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
Account needed	No account needed
Needs internet	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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