Kakaotalk PC - Free Download For Windows & Mac 10.8 KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features. FeaturesBesides those listed above, KakaoTalk has these additional features:Free calls and conference calls (with support for up to five people) called VoiceTalkPhoto, video, location, and contact ..