Doppler: Weather Your Health is a lifestyle app available for iPhone. Developed by R Zero Inc., this free app aims to track how the climate at your location affects your overall well-being.

The app allows users to compare how they feel at different times, places, and environments, in order to identify potential correlations between their health and various environmental factors. By answering a few questions periodically, Doppler: Weather Your Health learns how your health is impacted by over 40 environmental variables such as humidity, barometric pressure, air quality, and temperature.

One of the key features of Doppler: Weather Your Health is the Doppler Index, which provides users with a personal health forecast. The Index is created using machine learning algorithms that analyze the user's weather and health data, helping them make more informed decisions about their daily activities and lifestyle choices.

With its focus on weather and health correlation, Doppler: Weather Your Health offers a unique perspective on personal well-being, making it a valuable tool for those looking to better understand how their environment affects their health.