Allows you to search for phone numbers to check if they belong to extortion and identify incoming calls.How to use the application:* To consult telephone numbers: 1.- Press the update data button (internet connection is required) to update to latest number records. 2.- Enter the application and enter a number in the search box suspicious phone number you want to check. 3.- Check if this number has extorted previously. * To identify calls 1.- The first time you open the app, you will be asked to grant 2 permissions important so that the application can send notifications upon receiving a call from a number that has made extortion. 2.- Decide whether to answer the call or hang up when you receive the alert.