Best HealthKit compatible apps: Nike+ Running

Free
This fitness app is designed to be supportive, providing training programs, coaching expertise and daily workouts no matter what stage you’re at with running.
You can use it anywhere you choose to run, whether it’s a treadmill or pavement and it tracks distance, pace and time.
By accessing your Apple HealthKit data, Nike+ Running can give you a heart rate monitor support in-run when using a Bluetooth device.
Here's how to use Apple's Health app to get fit and healthy.
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