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Breitbandmessung vs Speedtest by Ookla: catalog facts
Breitbandmessung	Speedtest by Ookla
Free Free public service of the Bundesnetzagentur.	Free Free on the web and in the desktop and mobile apps.
macOS, Android, Web	Windows, macOS, Android, iOS, Web
Official measurement that can document underperforming contracts Compares measured speed against the contracted rate	Works in a browser or in apps for most platforms Picks a nearby test server automatically
German-language and aimed at connections in Germany Contract compliance evidence relevant only to German providers	Closed source Site includes links to other Ookla services alongside the test
Downloadable app, Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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