QuestMobile：AI搜索引擎月活用户规模6.8亿

Core Insights - The report by QuestMobile indicates significant growth in mobile and AI application user bases, with mobile users reaching 729 million and AI application plugins surpassing 700 million monthly active users by September 2025 [1] Group 1: User Growth Statistics - As of September 2025, the user base for mobile devices, AI assistants from phone manufacturers, and PC users reached 729 million, 535 million, and 200 million respectively [1] - AI search engines and comprehensive assistants have established a dual-peak user growth model, with monthly active users of 680 million and 659 million, reflecting year-on-year growth of 7.9% and 1.5% respectively [1] Group 2: Market Dynamics - The report highlights a "gateway + service" advantage for AI search and assistant services, which has created a strong competitive pressure on other application types, leading to rapid differentiation in user growth across various app categories [1] - Over 56% of internet and AI technology enterprise native apps experienced negative growth from January to September 2025, with most applications below the 10 million user mark showing declines [1]