axiom-health

HealthKit authorization requires navigating a strict, write-only model to avoid silent read denials. You must properly request permissions and handle edge cases where users restrict read access to ensure secure data querying.

The best way to sync HealthKit data is using anchor-based query patterns. This approach tracks data changes efficiently, preventing battery drain and data duplication while maintaining synchronization across iOS and watchOS.

Managing a workout session lifecycle with HKLiveWorkoutBuilder involves initiating the session, tracking live health metrics, and finalizing the data save. This ensures continuous workout tracking and accurate health data recording on watchOS.

WorkoutKit supports scheduling planned workouts across iOS, watchOS, and visionOS. It enables managing the full workout lifecycle by integrating planned session intervals directly into Apple's health and fitness workflows.

Anchored queries handle background delivery by using an anchor point to fetch only new step count changes. This pattern ensures efficient data synchronization and correctly processes background updates without missing deletions.

Duplicated HealthKit entries usually result from improper anchor management during data queries. Implementing anchor-based sync patterns ensures your app tracks the query state, preventing redundant data fetches and duplication.