This app needs to be used in conjunction with a portable heart rate monitor(model: iCloudHeart, Little Blue) to record daily measurement data. Users can choose to upload this data for cloud-based analysis, providing them with more detailed measurement information. This information is intended solely for users' personal health management.

Disclaimer
This app and the accompanying portable heart rate monitor have no medical purpose and should not be used as a substitute for professional medical diagnosis. They are not intended for medical use and are not medical devices; they are only suitable for general health and fitness purposes.