Now serving 600,000,000 monthly active users. Yes, active and registered are very different types of numbers… — jan koum (@jankoum) August 25, 2014 WhatsApp is clearly the undisputed leader now followed by Tencent’s WeChat with 438 million active users, and Viber with 100 million active users. It must be noted most of the rival messaging apps stick to mentioning their registered users and refrain from letting know the active users. The emerging markers are adding vigorously to the WhatsApp numbers with India playing an important role. In April, the active users numbers hover around 40 million in India and four months down, it has shot up to 60 millions. It’s exciting days for WhatsApp to the dismay of telecom operators who are loosing out on their SMS services. ]]>