
The developers constantly worked on simplifying the interface without losing the originality of the design, they introduced the possibility of voice calls, offline work, correspondence in a group chat and many other modern and very useful features.

Of course, over time, the functionality of the messenger has increased significantly, going far beyond text messages. The main reason why people at one time chose this program is free communication, because sending SMS is much more expensive, and the number of characters for one such short message is strictly limited. Almost immediately after its release in 2009, this client gained immense popularity, “eating” an impressive part of the profits from mobile operators.

Among the most popular mobile messengers among users, the main function of which is to send instant messages, WhatsApp Messenger stands out clearly, being a cross-platform product.
