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TestMy.net vs Breitbandmessung: catalog facts
TestMy.net	Breitbandmessung
Free Free to use in the browser; signing in is optional.	Free Free public service of the Bundesnetzagentur.
Web	macOS, Android, Web
Separate download, upload and latency tests Automatic scheduled testing	Official measurement that can document underperforming contracts Compares measured speed against the contracted rate
Measures only the connection of the machine running the browser Closed web service	German-language and aimed at connections in Germany Contract compliance evidence relevant only to German providers
Web application	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is 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.