The Body Temperature & Fever Check is an iOS health utility application aimed at users interested in personal wellness and daily health monitoring. It allows users to estimate, track, and log body temperature data directly from their mobile devices, with no need for additional hardware. Launched in July 2025, the app has achieved significant traction through organic App Store traffic, particularly in English-speaking countries like the United States and the United Kingdom, as well as Brazil. The app focuses on a lightweight, wellness-oriented approach, making it accessible to a broad audience. Built natively in Swift, it requires no backend infrastructure, minimizing maintenance and operational complexity. Key features include body temperature estimation and tracking, symptom logging, historical records, and a user-friendly interface. The app employs a subscription-based monetization model and is positioned within the evergreen digital wellness category. Its primary markets are the United States, the United Kingdom, and Brazil. Growth opportunities for the app include localization for additional markets, enhanced ASO, integration with further health tracking features, UI/UX improvements, expansion to Android devices, and new subscription tiers. With its lightweight infrastructure, expansion can proceed with minimal technical overhead. The sale includes the full iOS source code, App Store listing, brand assets, and analytics materials. The app represents a stable and scalable wellness utility product with strong App Store positioning and potential for future optimization and growth.