Pulse Checker & Heart Rate funktioniert nicht

Includes background mode – keep playing sounds even after you exit the app. - Yearly with a 3-day free trial at $79. 99; Weekly with a 3-day free trial at $ 8. 99. - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours prior to the end of the current period. - The account is charged for renewal within 24-hours before the end of the current period. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. - The cost of renewal is equal to the value that “Apple’s App Store Matrix” determines as the equivalent of the subscription price in $USD. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication.  The app calculates the pulse or heart rate using built-in smartphone sensors and devices (camera, LED flashlight, etc. ).  Heart rate measurement: get your heart rate measured instantly by covering the back camera with a finger.  Track your heart rate on a daily basis so you can stay healthy and fit.  Check your heart rate instantly with your iPhone.  Browse a wide variety of sounds – enjoy wind chimes, rain, monk chants, bird songs, and, many more.  The App provides relaxing nature & ambient melodies to help you relax and unwind from your stressful day.  App’s content is not medical advice, a diagnosis, or a treatment plan.  Get your stress levels under control and your negative emotional reactions identified and leveled.  The app is the perfect companion for your daily routines like meditation, yoga, and going to sleep.  You can save your results to check history and view graphs.  Save favorites – save your sound mixes as favorites and play them again.  No other devices are needed!  And it should never be substituted for a treatment plan by your doctor or specialist.