WhatsApp Messenger is a FREE messaging application available for Android and other smartphones. WhatsApp uses your phone's internet connection (4G / 3G / 2G / EDGE or Wi-Fi, as available) to allow you to send messages and call friends and family. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos, documents and voice messages. WhatsApp uses your phone's internet connection (4G / 3G / 2G / EDGE or Wi-Fi, as available) to allow you to message and call friends and family, so you don't have to pay for every message or call. There are no subscription fees to use WhatsApp.
Required Android Versions : Ice Cream Sandwich [4.0.3–4.0.4] - Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]