Starting with iOS 10, Apple is allowing a new type of applications in the App Store: apps that can detect and block spam phone calls from telemarketers, debt collectors, scammers, and automated systems. These apps act as an extension of the Phone application, and in theory, they can help you filter out those calls from people you don't want to talk to.
In this post, we will have a look at how these applications work and how to use them.