The “Companion” app lets you select a contact from your phone, choose your destination and your friend can watch in real time to make sure you get home. NOTED: UW police warn students shouldn’t rely on technology alone. “These are all really good things. They are smart safety tools but we need to make sure people are also being aware of their personal safety and not just using this as a security blanket,” UW Police Department spokesman Marc Lovicott said.