121 Health is a cutting-edge health analysis platform designed for iPhone users. The standout feature of this app is its ability to predict your age of death by analyzing over 100 biometrics, including data from your wearable devices. By leveraging evidence from longevity research, 121 Health offers personalized longevity analysis, giving you insights into your predicted lifespan.

Not only does 121 Health predict your age of death, but it also delves deeper into three key subcategories: Vitality, Resilience, and Eustress. These metrics provide a comprehensive view of your body's youthfulness, stress response, and healthy stress levels. Additionally, the app offers detailed personalized analysis based on over 25 carefully selected contributors.