In February 2026, South Korea’s leading AI chatbot apps were ChatGPT, Zeta, and Grok AI, according to a report by Wiseapp Retail. ChatGPT topped the list with 22.93 million monthly active users (MAU), followed by Zeta at 4.02 million and Grok AI at 1.53 million. Other notable apps included Crack and Claude, showcasing significant user engagement. Grok AI, launched just a year prior, marked impressive growth, securing third place among chatbot users. Claude experienced a 45% surge in monthly users, driven by recent media attention, including a conflict with the U.S. Department of Defense. Zeta led in total usage time, amassing 113.41 million hours, while ChatGPT recorded 50.47 million hours. The findings were derived from a sample of South Korean smartphone users and targeted apps with a minimum of 300,000 MAUs. This comprehensive analysis highlights the competitive landscape of AI chatbots in South Korea, emphasizing user engagement and market trends.
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