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

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