Blood Oxygen Blut sauerstoff funktioniert nicht

Please, note: you need to have an external device (such as pulse oximeter or smart watch) to get push notifications about the changes in your blood oxygen level or heart rate.  Do you need to track your heart rate and blood oxygen level? There is the app for it. No ads. No account required.  If you need to connect your family and sync between devices, we offer a Family Sync plan.  If you need to connect your family and sync between devices, we offer a Family Sync plan.  Save your data to Apple Health or get your heart rate and blood oxygen from Apple Health.  If you upgrade to Blood Oxygen App Premium, we offer weekly, monthly & annual auto-renewing subscriptions.  Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase.  This plan includes all premium features + sync between 6 family members.  Your account will be charged for renewal within 24-hours prior to the end of the current period, and the cost of the renewal will be identified.  Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period.  You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase.  Blood Oxygen App is free to download and use.  Disclaimer: App measurements are just recommendations and can’t be used for diagnostics or medical purpose.  Always seek a doctor's advice before making any medical decisions.  Just simple beautiful tracker for your health.  Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable.