COVID-19 contact tracing apps

contact tracing mobile app for the identification of persons who may have come into contact with a person infected with COVID-19

Indian mobile app developed by the Government of India for contact tracing

TraceTogether was a digital system implemented by the Government of Singapore to facilitate contact tracing efforts in response to the COVID-19 pandemic in Singapore. The main goal was a quick identification of persons who may have come into close contact with anyone who has tested positive for COVID-19. The system helps in identifying contacts such as strangers encountered in public one would not otherwise be able to identify or remember. Together with SafeEntry, it allows the identification of specific locations where a spread between close contacts may occur.

thumb|A QR code in one of Lotus's stores used for contact tracing purposes is scannable using the MySejahtera app. MySejahtera is a mobile application developed by Entomo Malaysia (formerly KPISoft Malaysia) and the Government of Malaysia to manage the COVID-19 outbreak in Malaysia. It can be used to conduct contact tracing, self-quarantine, and also book COVID-19 vaccination appointments.

Immuni was an open-source COVID-19 contact tracing app used for digital contact tracing in Italy, dismissed on 31 December 2022, after a long and debated criticism for having been a failure due to the lack of trust placed by citizens. Immuni COVID-19 contact-tracing app had in fact been downloaded only by 12% of Italians between 14 and 75 years old (the government had previously stated that, in order for the app to work properly, it should have been downloaded by at least 60% of Italians). It makes use of the Apple/Google Exposure Notification system.

contact tracking app of the National Health Service in England

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.

COVID-19 app created by the Ministry of Health, Labour and Welfare

public health technology company