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Speedtest by OoklaBreitbandmessung
Free

Free on the web and in the desktop and mobile apps.

 Free

Free public service of the Bundesnetzagentur.

Windows, macOS, Android, iOS, Web macOS, Android, Web
  • Works in a browser or in apps for most platforms
  • Picks a nearby test server automatically
  • Official measurement that can document underperforming contracts
  • Compares measured speed against the contracted rate
  • Closed source
  • Site includes links to other Ookla services alongside the test
  • German-language and aimed at connections in Germany
  • Contract compliance evidence relevant only to German providers
Downloadable app, 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

Checked September 23, 2026

Checked October 1, 2026

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