According to Enfodesk, the top three mobile IM in China by total number of cumulative accounts are mobile QQ with 38.07% market share, Weixin (Wechat) with 27.97%, and Fetion with 18.37%.
QQ is also the leader in mobile IM active account market share with 42.54%, followed by Weixin with 23.38% and Fetion with 17.65%.
Mobile QQ has accumulated a large number of users through many years, which provided user base for Wechat (known as Weixin in China). Wechat cumulative accounts have grown from 25.89% in Q4 2012 to 27.97% in Q1 2o13, and active account market share growed from 19.9% in Q4 2012 to 23.38% in Q1 2013.
Liao.189.cn and Fetion, from ChinaNet and China Mobile respectively, also take a sizeable share of IM market.