The app runs on proven software developed by Apple and Google, designed so that nobody will know who or where you are. And you can delete your data, or the app, at any time.
It has a number of features:
Trace: Find out when you’ve been near other app users who have tested positive for coronavirus
Alert: Lets you know the level of coronavirus risk in your postcode district.
Symptoms: Check if you have coronavirus symptoms and see if you need to order a test.
Test: Helps you order a test if you need to.
Isolate: Keep track of your self-isolation countdown and access relevant advice.