MassNotify was a voluntary tool that worked through smartphones, with a focus on privacy, to alert users who may have been exposed to COVID19. This morning I got a notification asking me to opt into the mass covid tracking program and install Mass Notify.The state of Massachusetts just launched the MassNotify app on Tuesday, June 15. Google appears to have automatically installed the COVID19 exposure notification app for Massachusetts on some Android phones, users reported. I turned off autoupdates in the Play store (Settings > Network preferences > Auto update apps > Don't auto update apps) and went to sleep. Receive alerts for weather, criminal activities, traffic, missing persons, or local events. Get Emergency Information on Your Smartphone. Massachusetts Alerts is a new mobile communications app for alerting the public in emergencies and disasters. State public health officials began a pilot Monday with the cities of Somerville and Methuen on the socalled MassNotify mobile phone app. Notify your community from anywhere via any Internet-connected device.