If you are looking for "Police Fire EMS" content as a free download for your phone, there are several highly-rated scanner apps that allow you to listen to real-time emergency transmissions:
: Features over 7,700 feeds and includes police body cam footage and weather alerts. If you are looking for "Police Fire EMS"
: A popular companion app that works alongside other safety apps like Citizen to provide real-time audio. If you are looking for "Police Fire EMS"
: You can choose between Police, Fire, or EMS departments to respond to various emergency calls in an open-world environment. If you are looking for "Police Fire EMS"
: Focuses on simplicity with a distraction-free interface and no subscription fees. Scanner Radio - Police Scanner - Apps on Google Play