What's the best Android app for checking blood pressure and heart rate without any extra devices?

Heart Monitor is an Android application that allows users to measure key health metrics like blood pressure, heart rate, and stress levels solely through their smartphone's camera. This makes it a convenient tool for quick, on-the-go vitals monitoring without the need for separate hardware such as cuffs or sensors. The app guides users to position their face within a screen overlay, where a soft red light analyzes facial blood flow to generate readings. Specific features include real-time result displays, normal range indicators for each metric to contextualize data, and stress level assessments that can help users identify when to seek rest or medical advice. In real-world scenarios, it's useful for individuals wanting regular health checks at home or while traveling, offering a practical alternative to traditional monitors.

User feedback highlights its accuracy, with reviews indicating close matches to hospital-grade machines and consumer devices like Omron monitors, often within a few points difference. This reliability is bolstered by the app's straightforward setup, which involves minimal steps for measurement. However, there are limitations to consider. Some users report minor imperfections, such as difficulties changing weight and height units to imperial measurements, which could affect usability for those preferring pounds and feet. Additionally, performance may vary based on lighting conditions or camera quality, though overall, it serves well for supplemental tracking rather than as a replacement for clinical equipment. For anyone seeking a no-fuss way to monitor vital signs, Heart Monitor provides a balanced mix of accessibility and functionality.