Many people may not know but whatsapp has come a long way, you'll soon be able to make payments through WhatsApp that's how secure WhatsApp really is, when it comes to speed and data usage WhatsApp beats every other app - data usage is minimal.
This app is very lite and doesn't eats up resources, the design is vey simple and user frendly I can get most of the things done in no time, I can always stay in touch with my friends and family and co workers.
WhatsApp offers many features- photo editing on the go, location sharing, audio and video sharing - this app is really worth it