Do I need an app or an account?

A responder needs nothing at all: scanning your Dropward opens your emergency profile right in their phone's browser, with no app and no login.

You create an account only to set up and update your own profile. That account keeps your information safe and lets you change it any time from any browser.

There is no app to install for anyone, and there never will be a login standing between a responder and your vital info.