See, I here do not want to downgrade or malign the fame of what’s app but conceding its flaws will draw attention of the co.I use this as everyone uses and Ivan be in touch with everyone .this is private and in my hand I can chat, need not to SMS.but file transfer is slow and if the file size is big on 3G it also hangs.secondly call quality is obnoxiously bad even worse than hike or IMO.what’s app has no video facility and for long rumors are rife that video calling will come soon.
According to me that’s an add on facility .what’s app takes lot of time for installation .creating group and screen shot technique us complicated .what’s app says we have to renew every year paying around Rs.55 though never they imposed this scheme .How they will improve then in future .so many apps are there and they are as effective as what’s app is.but its a USA pduct and people eat more when hear its a USA product .The same happens .it also consumes much data bytes .it has craze only not excellence .