MB WhatsApp is a modified version of the original WhatsApp app that offers extra features and customization options not available in the standard version. It allows users to change themes, hide online status, and send larger files, among other things. MB WhatsApp is one of several third-party versions of WhatsApp, known as "mods," which are developed by independent developers. These modified versions are popular because they offer a range of additional features that the official WhatsApp does not provide. For example, MB WhatsApp allows users to customize the look and feel of the app with different themes, fonts, and colors. It also has enhanced privacy options, like the ability to hide your "typing" status, view deleted messages, or prevent others from knowing when you've seen their messages.