KakaoTalk
KakaoTalk is a free mobile messaging app that offers text messaging, voice and video calls, group chats, and more. It's available on mobile and desktop platforms and works across wearable devices. KakaoTalk is similar to Line or WeChat and is primarily used in Korea. KakaoTalk was launched in 2010 and is operated by Kakao Corporation. It's available in 15 languages, including English. As of August 2022, KakaoTalk had 53 million monthly active users, 47 million of which were in Korea. It's used by 93% of smartphone owners in Korea.