EXHIBIT 23.3 [Analysys International Letterhead] Dear Ms. Wang: We hereby consent to the inclusion of references to our [CHINESSE CHARACTERS] (2005) in the annual report of KongZhong CorpoRATIon on Form 20-F for the year ended December 31, 2004. Sincerely, /s/ GM of Analysys International Advisory BU June 14, 2005 GM of Analysys International Advisory BU