Specs are quantitative aspects of the option such as the price
Pros
Pro
Extensive client support
IM+ supports all major IM services, including Google Talk, Yahoo!, AIM/iChat, ICQ, RenRen, Jabber, MeinVZ, Gadu-Gadu, mig33, SINA Weibo, Fetion, Odnoklassniki.Ru, Yandex IM and Mail.Ru Agent.
IM+ does the core IM experience incredibly well. The layout is intuitive to use and the very high app store reviews indicate how stable and user friendly the app is.