WhatsApp is one of the best messaging app.It is best medium to connect with your love ones and to share yourself with them.Its end to end encryption make it best and secure medium to share pics, musics, documents and videos with our buddies.What I like most is it multiple Cross platform support i.e. is you can use it on ios as well as android platform and along with you can connect to your friends on your pc or laptop through Whatsapp Web
Some Attractive Features Of WhatsApp are:
-Document Sharing
-Data Saving
-End To End Encryption of messaging
-Support calling and Video calling
-Call back option
-Star Messages for easy references
-Voice Mail
-Music sharing
-Gif Supports
-Mention and group Invites
-Emoji support, and big emoji
-Hide Whats App Messages, Last Seen and Profile Pic
-Pay For Friend
-Save Your WhatsApp messages
-WhatsApp Web
-Check Your Data Usage