For those of you who don’t know, WhatsApp is the number one instant messenger app in the world in terms of number of users. The app uses a Wi-Fi connection to send and receive instant messages and multimedia files without using up your expensive mobile data (as long as Wi-Fi is available). You can also use WhatsApp to make free voice calls to other users anywhere in the world. It’s free to download and the service is free for the first year; after that, it’s just $0.99 per year with no restrictions. You can get started by downloading the free WhatsApp 2.12.363 APK file using our link below.