Download the Ping4alerts! app to stay informed of Harvard Square alerts and messages!


Ping4 Inc., is a mobile communications company that delivers real-time, location-based alerts via the ping4alerts! app to any iOS or Android mobile device.

Public safety agencies, like the Massachusetts Emergency Management Agency, license the platform to keep citizens informed of extreme weather events and other fast-moving situations.

To download ping4alerts!, visit the App Store or Google Play. For more information, please visit

Ping4alerts is a free iOS and Android app that informs citizens of extreme weather events, public safety concerns, and other fast-moving situations using the latest in push-technology. By leveraging the location-based services of today’s smartphones, we can send messages only to users within the Square.  User privacy is 100% protected, so signing up is no hassle—just download, set your alert preferences, and you’re ready to go! Ping4alerts! is your go-to safety app and information guide while visiting Harvard Square!

Visitors can also access Google Places within the app to find nearby parking, shops, and restaurants. They have a fun animated video–that explains the concept….we encourage you to watch it and download the app.