iTunes: https://itunes.apple.com/us/app/im+-pro/id296246130?mt=8
"IM+ Pro supports all major IM services, including Facebook, Skype, MSN/Live Messenger, Google Talk, Yahoo!, AIM/iChat, ICQ, MeinVZ, Gadu-Gadu, RenRen, Jabber, mig33, SINA Weibo, Fetion, Mamba.Ru, VKontakte, Yandex IM, Odnoklassniki.Ru and Mail.Ru Agent."
Not sure how much saving is the iOS version though Google search is still showing it to be $9.99. And no idea how long the sale is. It started on Friday.
Why would anyone choose this over whatsapp?