To understand WhatsApp's popularity, you need to understand it was one of the first mobile apps to offer free, internet-based messaging. The Facebook-owned app is easily one of the most popular messaging services in the world.
WhatsApp might be a little-known messaging app in the US, but in many parts of the globe, it's an essential part of everyday life. WhatsApp's global popularity is due in large part to its accessibility, cross-platform functionality, and simple, straightforward features.With over 2 billion active users, WhatsApp is especially popular among friends and family who live in different countries and want to stay in touch.WhatsApp is a free, multiplatform messaging app that lets you make video and voice calls, send text messages, and more - all with just a Wi-Fi connection.