Corona-Warn-App

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Corona-Warn-App

Screenshot of the Android version, displaying a "low risk" assessment alongside guidance about prevention measures such as hand-washing
Developer(s)	SAP, Deutsche Telekom
Initial release	16 June 2020; 4 years ago (2020-06-16)
Stable release(s)
Android 3.0.1 / 18 January 2023; 21 months ago (2023-01-18) iOS 3.0.0 / 18 January 2023; 21 months ago (2023-01-18)
Operating system	Android and iOS
Available in	German, English, Turkish, Bulgarian Polish, Romanian, Ukrainian[1]
Type	COVID-19 app
Licence	Apache License
Website	www.coronawarn.app/en/

Corona-Warn-App was the official and open-source COVID-19 contact tracing app used for digital contact tracing in Germany made by SAP and Deutsche Telekom subsidiary T-Systems.^[2]

It had been downloaded 22.8 million times as of 19 November 2020 and 26.2 million times as of 18 March 2021.^[3][4]

The app has been promoted by billboard and broadcast advertisements, e.g. in cooperation with the German Football Association (DFB) and other prominent companies.^[5]

The German government has announced that the app would no longer exchange tracing information as of April 30, 2023 & would enter hibernation as of June 1, 2023.^[6]