While the app is very promising, Korean operators were not happy and feared that the additional usage will put a significant strain on their data network. But in spite of the resistance, the developers have launched the app nevertheless. The app is currently available for iPhone users in Korea, but the company said that the app will be coming to Android this week. International users, on the other hand, can get the app via the App Store or Google Play.
KakaoTalk promises to allow users to make domestic and international calls for free using 3G or WiFi connections. Essentially, the app offers conventional features including the capability to send and receive text messages, make calls and share files. Features include support for 12 different languages, contact search integration with import and export of contact lists, unlimited group chat, KakaoTalk unique ID search, background customization, emoticons, free calls and privacy protection.