HealthKit app Lark talks to you to help you stay active

After a brief delay on Apple’s part, HealthKit-compatible apps are now available in the App Store. Finally! Thanks to this back-end feature, you can view all of the health data that your iPhone 5s, 6, or 6 Plus is already tracking within other apps, and view everything within a single app of your choosing—be it Apple’s own Health app, or another third-party app. 

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