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This skill aims to help independent developers and entrepreneurs discover and validate niche market app opportunities with high monetization potential. It provides users with an actionable "App Monetization Radar Report" by deeply analyzing market signals, assessing pain point intensity and supply scarcity, and combining this with actual App Store revenue data. Users first need to provide or have the system collect pain point signals from multiple channels, including App Store negative reviews, Reddit communities, TikTok/Instagram comments, GitHub issues, and Chinese Twitter bloggers. These signals are structured and quantitatively analyzed based on dimensions such as problem description, sentiment intensity, frequency of occurrence, existing solutions, and monetization implications. Next, the skill calculates a "demand intensity" and "B2C subscription fit" score for each pain point to identify potential opportunities best suited for a subscription model. In the supply-side analysis phase, the skill utilizes real-time web search tools to verify the monthly revenue of existing competitors on the App Store, assessing professionalism, data, compliance, and channel barriers to calculate "supply scarcity." Ultimately, the system will select the top 5 most promising opportunities based on a comprehensive score, and design a detailed "Three-Layer App Monetization Validation" plan for each opportunity. This includes zero-cost content signal verification, low-cost willingness-to-pay verification, and medium-cost MVP mandatory payment verification. The final radar report will include a detailed profile of each opportunity, a distribution channel matrix, and a content consistency strategy, helping users clarify their Go/No-Go decision criteria and thus efficiently launch niche AI ​​product development.