Compass is an essential tool to enhance your safety in Johns Hopkins All Children's Hospital. The app will send you important safety alerts and provide instant access to all public safety resources. Compass is the official mobile safety app of Johns Hopkins All Children's Hospital. Compass benefits include: Safety notifications: receive instant notifications and instructions from the Johns Hopkins All Children's Hospital police department when emergencies occur. Emergency help: contact the Johns Hopkins All Children's Hospital police department quickly for help in an emergency. Public safety resources: access all important safety resources in one convenient app. Many community members are already using Compass. Download today and ensure that you're prepared in the event of an emergency.