An email address generator app is a software application that automatically creates unique email addresses for users. These addresses can be used for a variety of purposes, such as creating accounts on websites, signing up for online services, or receiving communications from various sources. Some email address generator apps also include features such as email verification, temporary email addresses, and the ability to manage multiple email addresses from a single interface. Some email address generator apps are built for specific purposes like creating multiple email addresses for a marketing campaign. Some popular email generator apps are TempMail, Mailinator, and Guerrilla Mail.