We care about your heart health, this is an app developed to protect heart health!
*Winner of the App Store Editors' Choice*

Main features are as follows:
【Heart Rate Measurement】
Place your finger gently on the phone to get your heart rate data.
【Watch Stress Dial】
Track stress and body metrics in real-time.
【HRV】
Helps you obtain your HRV data to view your stress levels.
【Stress】
Monitor your stress data anytime to understand your emotional pressure.
【Blood Pressure Log】
Helps you record your blood pressure test results.
【Blood Oxygen Tracking】
Helps you record your blood oxygen saturation.
【Sleep Monitoring】
Monitor your sleep quality, track your sleep patterns, and enjoy white noise for a pleasant sleep.
【Other Health Data】
Reads Apple Health data to track key health metrics.
【Smoking Cessation】
Our dedicated quit-smoking feature helps you log your tar intake.
【Real-time Health Data Update in Standby Mode】
View your health data in real-time even while charging on standby.
【Alarm Reminders】
Helps you build healthy habits.
【Large Font】
Adapts to your phone's large font setting for easy reading.

Subscription:
-After confirming the purchase, the amount will be deducted from your iTunes account
-Subscription will automatically renew, and closing 24 hours before the current deadline will cancel the automatic renewal
-Renewing or canceling the subscription during the free trial period will not reclaim the free trial benefits from the user. The user can continue to try until the trial period ends
-Privacy Policy: http://singatop.com/Agreement/Privacy.html
-User Agreement: http://singatop.com/Agreement/UserAgreement%20.html
If you have any questions or suggestions, you can provide feedback on "User Feedback", and we will adopt appropriate suggestions and reply to you.

Disclaimers：
-This app is not a medical product and cannot be used for professional medical purposes. It is only used as a source of general health information, such as for fitness purposes.
-This app does not support measuring blood pressure and blood oxygen, it only provides a recording of them.