TousAntiCovid is a French contact-tracing app developed by the French government as a tool to help slow the spread of COVID-19. The app is designed to help people track their movements and identify potential exposures to the virus by using Bluetooth technology to detect when someone has been in close proximity to someone who has tested positive for COVID-19. If a user tests positive for COVID-19, they can use the app to alert other users who may have been in close contact with them, so that those users can take appropriate precautions to prevent the spread of the virus. TousAntiCovid is available for download from the App Store and Google Play. It is intended for use by anyone over the age of 18 who lives in France or is visiting the country.