https://www.reuters.com/article/us-health-coronavirus-britain-app/uk-ditches-homegrown-covid-19-tracing-app-to-use-google-apple-model-idUSKBN23P273 >Britain will switch to the Apple and Google model for its COVID-19 test-and-trace app, ditching an attempt to develop an app by itself after the homegrown system did not work well enough on Apple's iPhone, the government said on Thursday.