In early times we need to do message pack.but now adays whats app remove all the trouble simple yoy required a net plan an do unlimated chatting.
Voice call video sharing.voice text .it is the finest app lots of another app are there but if u try to use its not smooth and easy handling than whats app.make group and you not able to mis any of your friend.its really a user friendly those who dont knw how to use they can lern in single use only.fine app
