What Is iMessage, and How Does It Differ From SMS? Share March 15, 2022 Dm4r Technology The Messages app on the iPhone, iPad, and Mac utilizes a special instant messaging service called iMessage, which is different from the SMS texting service supported by cell carriers. Here’s a look at what’s special about iMessage. Read This Article on How-To Geek › Source : What Is iMessage, and How Does It Differ From SMS?