WhatsAppMessaging app Whatsapp has a huge base in India with latest reports suggesting the app crossing 25 million active users in India. WhatsApp is unarguably the world's most popular messaging app with over 350 milion users worldwide.
WhatsApp lets mobile users send text messages without having to pay SMS fees to their carriers. The messages are sent through the Internet and therefore require the user to have a data plan on their phone, which is typical of these messaging apps. Messages can include video, audio and photos, not just text.
WhatsApp is available for a variety of mobile operating systems including the iPhone, Android, Nokia, Windows Phone and BlackBerry. The app launched in 2009 and has proven popular.
Earlier, WhatsApp used to cost $0.99 on iOS or Rs 55 in India but the app is now free on Google's Android Play Store. For the iOS the app follows the subscription model as it does on Android.
The app has a simple and easy to use interface and allows folks to send text messages, photos and voice messages.
Pros: Simple to use.
Cons: Lacks more sophisticated features
Verdict: A must-have app.