vCaller - Block Spam Calls About this App vCaller (formerly known as iCaller) is an advanced call blocking application built on AI technology and community reporting to detect spam, advertising, fraud, and debt collection calls. With the Caller ID feature, vCaller helps users easily identify and decide before answering the call. The call blocking feature of vCaller will prevent you from being disturbed by spam, annoying, debt collection, and advertising calls. This feature uses AI technol