KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features. Developed by KAKAO
License: Freemium
Hangouts is a versatile communication tool with strong integration into Google's ecosystem, making it ideal for business and casual use. In contrast, KakaoTalk emphasizes social interaction and multimedia sharing, making it more suited for entertainment and community engagement.