Not that anybody has installed it. But still.
After the German Deluge, a Flood of Political Recriminations – The Federal Office for Citizen Protection and Disaster Assistance did issue alerts on its app about coming floods, say officials. But critics say that a very small fraction of the German population has downloaded the app on their smartphones and that a much louder warning should have been sounded to allow local communities to better prepare for the deluge of midweek rain.
“For so many people to die in floods in Europe in 2021 represents a monumental failure of the system.”