 "Aarogya Setu app")
With over 75 million downloads as of Friday, Aarogya Setu has become the most downloaded contact-tracing app in the world, even as it is not yet mandatory for citizens to download the application.
Contact-tracing apps have been developed in at least 23 countries, with a lot more scheduled to be rolled out soon, according to research firm Top10VPN. India has 16 such apps, including Aarogya Setu.
The purpose of a contact-tracing app is to help find those an infected person may have come in contact with, and contain the spread of the disease by alerting contacts.
