Improve Health and Activity & Privacy

Improve Health and Activity is designed to protect your information and enable you to choose what you share.

Improve Health & Activity sends activity, workout and health-related information from your iOS device and Apple Watch to Apple in order to develop, improve and understand the effectiveness of health, activity and fitness features. This may include raw and analysed data from health and activity-related sensors. Your data will not be used for any other purpose and does not include personal data.

The information collected as part of Improve Health & Activity includes data that is shown in the Health and Fitness apps on your iOS device and the Activity app on your Apple Watch, including certain data you have entered (such as age, sex, height, weight and wheelchair mode state); information related to heart rhythm, including Irregular Rhythm Notifications (such as frequency and type of notifications, number and type of heart rhythm measurements, percentages of certain atrial fibrillation values, your interactions with different data types and relevant life factors, and the number and possible causes of inconclusive measurements); information from the ECG app (such as number of ECG recordings taken, results and any associated symptoms); information from the Blood Oxygen feature (such as the results of successful measurements, specific number of measurements taken and certain quality of measurements); information from the Health Sharing feature enabling the sharing of your health data with your family and friends (such as number of sharing relationships, number of health topics shared, modifications to health topics shared and your interaction with Health Sharing notifications); certain information from the Health Sharing feature enabling the sharing of your health data with your healthcare provider (such as frequency of use; the minimum, maximum and average number of health topics shared; and the numerical range of healthcare providers you are sharing health data with); information from your Medical ID (such as completed fields and your engagement with the feature); and information related to your use of the Medications feature (such as whether you logged a medication, the method used to log a medication, the creation of a medication schedule and actions taken related to such schedules, and your interaction with and use of Medications settings and notifications). Data sent to Apple may also include activity and motion data (such as stand hours, exercise minutes, flights climbed, altitude and depth, move ring completion percentage, physical activity level, workout data (such as type, mode, source and duration), mobility-related information, accelerometer, gyroscope, general direction you are facing and pressure data); information from the Mindfulness app (such as mindfulness session type and whether heart rate was calculated); wrist state and orientation; and information related to when and how you import certain verifiable health records data into the Health app, as well as related data displayed in the Health app (such as VO₂ max); number of times fallen and other fall and impact information; sleeping respiratory rate values; information, symptoms and results related to and derived from menstrual cycles, pregnancy and cycle factors, including the use of contraceptives (such as the detection of prolonged menstrual cycles, irregular or infrequent menstrual cycles, ovulation estimates, menstrual cycle prediction accuracy data and reported at-home ovulation test results); information related to and derived from wrist temperature measurements (such as aggregated temperature measurements and other temperature-based information); sleep schedules and how they differ from recorded time asleep; motion data used to determine time asleep; headphone audio, environmental sound exposure levels and sound reduction metrics; vision prescription and related fields; and heart-related measurements and visualisations). Apple may also receive information about how and whether other third-party fitness apps or devices are installed, used or connected, your approximate location, how long you’ve been using Apple Watch, and your enablement of and engagement with activity and health-related apps, notifications, settings and features. All the above data may be aggregated or otherwise combined in a form that does not personally identify you and analysed on your iOS device and Apple Watch before being sent to Apple. This data may also be used by Apple to identify trends and estimate metrics for certain activity- and health-related features.

In limited circumstances, Apple may share certain aggregated data with appropriate health and medical regulatory authorities as needed to support regulatory submissions. Data shared will not include any individual-level data or data that may identify you.

By enabling Improve Health & Activity, you agree and consent to Apple’s and its subsidiaries’ and agents’ transmission, collection, maintenance, processing, use and disclosure of this information as described above. Apple may store this information with trusted third-party service providers.

At all times, information collected by Apple will be treated in accordance with Apple’s Privacy Policy, which can be found at

Published Date: December 12, 2022