PoliceFire Scanner Radio USA is an iPhone application developed by Timrus apps Oy. It is a free-to-download app that falls under the Education & Reference category with a sub-category of Books. The app allows users to listen to live police scanner radio, fire alarm, wildfire map and updates, railroad radios, air traffic control, marine radios, and emergency alerts in their local area or around the world.

The app features a scanner directory with a list of the top 50 scanners that have the most listeners, the most recently added scanners, and the ability to search for feeds using keywords. Users can also see the popularity of each feed in the directory and find the feeds with the most listeners.

Please note that this app offers auto-renewable subscription terms. The free trial subscription will automatically renew to a paid subscription unless auto-renew is turned off at least 24 hours before the end of the free trial period. Users can cancel a free trial or subscription anytime by turning off auto-renewal through their iTunes account settings.

Overall, PoliceFire Scanner Radio USA is an informative app that keeps users informed about public safety, breaking news, and crime waves in their city.