How it performs

These are measured figures for the current early access build. They are published because the app is being tested rather than sold, and anyone deciding whether to install it is entitled to see them first. They will change as the app changes, and this page changes with them.

How it performs today

Gunshots it detects, on a phone model it was not trained on
~56%
False alerts, per school year (target: one)
~30
How far it can warn other phones at the school
Bluetooth range
How far it can forward an alert to a paired guardian
Anywhere
That forwarding measured over mobile networks, or across a school day
not yet
Detections forwarded to a guardian
~3 in 5
Can it call emergency services
no
Real gunshots it has alerted on so far
none

In an emergency, always call your local emergency number.