The Grok iOS app, an AI-powered productivity tool developed under Elon Musk's initiatives, has achieved the number one ranking on the App Store in multiple countries. As of July 15, 2025, Grok is the top productivity app in Japan, Hong Kong, Taiwan, and Canada. In Japan, the app's popularity is attributed in part to its 'Waifu Ani' avatar feature, which has resonated strongly with users. In Canada, Grok has outperformed major competitors including ChatGPT, TikTok, and Threads to claim the leading position. The app's global rise underscores the expanding influence of AI applications in productivity and social engagement across diverse markets.