KakaoTalk or sometimes KaTalk, is a free mobile instant messaging application for smart phones with free text and free call features. It was launched on March 18, 2010 and is currently available on iOS, Android, Bada OS, BlackBerry, Windows Phone, Nokia Asha and Personal Computer. KakaoTalk currently has 170 million users and is available in 15 languages. The app is also used by 93% of smart phone owners in South Korea.
KakaoTalk released a new emoticon service called “ Kakao Friends”. Emoticons have long been popular in Korea, with Doll and Other Daily Necessity being the most popular.