Below we provide an overview of deployed or proposed COVID-19 tracing approaches in selected countries based on our ongoing follow-up of various approaches published in media and academic forums.
Latest Update: May 21th 2021
| Australia | CovidSafe App. More than 1 million downloads by Australians. Requires users to provide detailed registration information when installing the app. Follows a centralised tracing approach allowing the Central Authority to trace and identify all contact persons of a user tested positive with COVID-19. |
| Austria | Contact tracing app Stopp Corona by the Austrian Red Cross. Based on Bluetooth Handshakes. Based on its privacy audit report, the system is based on the exchange of the public keys of apps participating in the system. Thanks to this, contact tracing is in principle decentralised, i.e., the Stopp Corona Backend will not be able to determine contacts between individual users. However, establishing of contacts and exchange of public keys happens either over the Google Cloud (for manual handshakes) or the Backend of the p2pKit (for automatic handshakes). |
| Bahrain | BeAware App. The app follows a centralized approach using Bluetooth and Location information, but there is little public information about the app known. |
| Bangladesh | Corona Tracer BD app was built by Shohoz, an “online ride-sharing and ticketing platform.” The app follows a centralized approach using Bluetooth/GPS. The app has not proven to be very effective. |
| Belgium | Coronalert app follows a centralized approach using Bluetooth, Google/Apple and DP3T. Belgium’s code is based on Germany’s Corona-Warn app. It’s open source and well-documented. |
| Bulgaria | ViruSafe app made by Scalefocus and the Bulgarian Ministry. The app follows a centralized approach using only Location data while being transparent. |
| Canada | COVID Alert developed by Shopify/Blackberry. The transparent app follows a decentralized approach using Bluetooth. |
| China | Chinese health code system. The app follows a centralized approach using Location information and Data mining. The code of the app is not open source. |
| Cyprus | CovTracer app follows a decentralized approach using Location information. The app‘s source code is transparent. |
| Czech Republic | eRouska released by the Ministry of Health. The app follows a decentralized approach using only Bluetooth technology and is transparent. |
| Denmark | Smitte|stop developed by NetCompany. The transparent app follows a decentralized approach using Bluetooth and Google/Apple exposure notification API. |
| Estonia | HOIA app follows a decentralized approach using Bluetooth DP-3T and Google/Apple. The app is the product of a unique, private-public partnership. |
| Fiji | CareFiji app was developed by Fiji Government and digitalFiji. The app is based on the TraceTogether mobile application and follows a decentralized approach using only Bluetooth technology and it is open source. |
| Finland | Koronavilkku app is released by Finnish Institute of Health and Welfare. The transparent aspp follows a decentralized approach using Bluetooth and Google/Apple exposure API. |
| France | TousAntiCovid tracing app based on a centralised tracing approach. |
| Germany | After initially supporting the PEPP-PT design, the German government changed course and has assigned Telekom and SAP to develop Corona-Warn-App which is based on the Google/Apple exposure notification API. |
| Gibraltar | Beat Covid Gibraltar app is transparent and follows decentralized approach using only Bluetooth technology. |
| Hungary | VirusRadar was developed by Ministry of Innovation and Technology and NextSense. The app is transparent and follows a centralized approach using only Bluetooth technology. |
| India | Aarogya Setu app follows a centralized approach using Bluetooth and Location information. The tracing app is not transparent. |
| Indonesia | PeduliLindungi app follows a centralized approach using Bluetooth and Location information. The tracing app is not transparent. |
| Ireland | Covid Tracker app was released by HSE – Ireland’s Health Services. The transparent app follows a decentralized approach using Bluetooth and Google/Apple exposure notification API. |
| Israel | Hashomer proposal by Pinkas and Ronen. Closely related to the Apple/Google proposal and DP-3T by limiting user traceability to the duration of one ‘epoch’ (e.g., one hour). Adds resilience to so-called relay attacks by introducing GeoHashes. HaMagen is an app that is endorsed by the Ministry of Health in Israel. |
| Italy | Tracing App Immuni is based on the Google/Apple exposure notification API |
| Japan | COCOA app was developed by Ministry of Health, Labour and Welfare. The transparent app follows a decentralized approach using Bluetooth and Google/Apple exposure notification API. |
| Kuwait | Shlonik app follows a centralized approach using only Location information. The app is not transparent. |
| Malaysia | MyTrace app pursues a decentralized approach using only Bluetooth technology and the tracing app is not transparent. |
| Mexico | CovidRadar tracing app follows a centralized approach using only Bluetooth technology. The tracing app is not open source. |
| Netherlands | Not-for-profit partnership PrivateTracer, using the the Google/Apple exposure notification API. |
| New Zealand | NZ COVID Tracer app follows a centralized approach using Bluetooth technology, also the transparent app is based on a check-in system using QR codes in public areas. |
| North Macedonia | Stop corona app was released by NextSense like in Hungary. The transparent app follows a decentralized approach using only Bluetooth technology. |
| North Ireland | StopCOVID NI app follows a decentralized approach using Bluetooth and Google/Apple exposure notification API. |
| Norway | Deployed app Smittestopp. Collects extensive information about users (including GPS location) on server. Users need to register and are known to the service provider (Health Authority). At the beginning of February 2021, 846 100 people had downloaded the app. This corresponds to 19.3 per cent of the population over the age of 16. |
| Philippines | StaySafe app was developed by Multisys Technologies Corporation. The app follows a decentralized approach using only Bluetooth technology. The tracing app is not transparent. |
| Poland | StopCovid app is transparent and follows a decentralized approach using Bluetooth and Google/Apple exposure notification API. |
| Qatar | Ehteraz app follows a centralized approach using Bluetooth technology and Location information. The tracing app is not transparent and requires access to photos. |
| Saudi Arabia | Tawakkalna app was developed by National Information Center. The app follows a centralized approach using only Location information and the app is not transparent. Tabaud app was released by Ministry of Health and the Saudi Data and AI Authority. The app follows a decentralized approach and uses Bluetooth and the Google/Apply system. Tabaud is also not open source. |
| Singapore | TraceTogether app. The app uses BlueTrace solution and source code which is a centralised tracing solution. The app has achieved a 80% Singaporean population using rate. |
| South Africa | COVID Alert SA app follows a decentralized approach and uses Bluetooth as well as Google/Apple exposure notification API. The tracing app is still in development. |
| Switzerland | SwissCovid app was developed by Swiss National Covid-19 Science Task Force. The transparent app follows a decentralized approach using Bluetooth, DP-3T and Google/Apple system. |
| Thailand | Morgana app. The app uses GPS, Bluetooth, and QR code check-in scanning to trace locations and persons in the vicinity. Thailand paired the proximity contact tracing app with a QR code check-in system, called Thai Chana. |
| Tunisia | E7mi app was released by Tunisia’s Observatory of Emerging Diseases. The tracing app follows a centralized approach using only Bluetooth technology. E7mi app is not transparent. |
| Turkey | Hayat Eve Sığar app follows a centralized approach using Bluetooth technology and Location information. Turkey mandates people who test positive download the app and can then share data with police. The app is also not open source. |
| United Arab Emirates | TraceCovid app follows a decentralized approach using only Bluetooth technology. The tracing app is not transparent. The TraceCovid app was launched by Department of Health – Abu Dhabi (DoH). |
| United Kingdom | NHS COVID-19 App follows a centralised tracing approach in which Apps collect daily identifiers of other Apps they encounter. |
| Vietnam | Bluezone app follows a centralized approach using only Bluetooth technology. Bluezone app is transparent but requires access to contacts and other media on mobile devices like photos. |