Develop health and fitness apps that work together.

Adding HealthKit into your iOS and watchOS apps creates a more integrated user experience. When a customer provides permission for your app to read and write health and activity data to their Health app, your app can become a valuable health data source and it can use the shared data to bring more powerful health and fitness solutions.

Apps for iOS and watchOS

Learn more about the HealthKit APIs that work with your user’s shared health and activity data. Your watchOS workout apps can contribute directly to Activity rings on Apple Watch and your app logo can appear in Activity history on iPhone.

For iOS 9.3 and watchOS 2.2 or later
Sample Code and Guides

Apps for Medical Research

Learn about ResearchKit, an open source software framework that works seamlessly with HealthKit to provide researchers with richer health data for their studies — like daily step counts, calorie use, and heart rate.

Learn about ResearchKit

Building Accessories

If you are interested in building accessories that work with health and fitness apps using HealthKit, watch the following session video from WWDC or contact us.