THL (Finland) publishes Koronavilkku application
Koronavilkku is Finland's official corona application, which aims to prevent the spread of coronavirus disease. In the app, your privacy is strongly protected. The application is the responsibility of the THL ( Department of Health And Welfare, Terveyden ja hyvinvoinnin laitos )
Koronavilkku tracks phones near you that have the same application installed. If a person you have previously encountered reports their infection using Koronavilkku, you will receive a notification of exposure. If you are found infected, you can report it anonymously.
The application is intended for all ages. However, if you are a minor, talk to your guardian before downloading the application.
It also has a built in COVID19 test.