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Breitbandmessung vs SpeedOf.Me: catalog facts
Breitbandmessung	SpeedOf.Me
Free Free public service of the Bundesnetzagentur.	Free The speed test is free to use in the browser.
macOS, Android, Web	Web
Official measurement that can document underperforming contracts Compares measured speed against the contracted rate	Runs in any browser with no app or plugin Measures jitter as well as download, upload and latency
German-language and aimed at connections in Germany Contract compliance evidence relevant only to German providers	History is stored per device rather than synced Results depend on browser and device performance
Downloadable app, Web application	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 October 1, 2026

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