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 via Phone】
Gently place your finger on the phone to obtain your heart rate data.
【Watch Stress Dial】
Track stress and body metrics in real time.
【HRV】
Helps obtain your HRV data and view stress levels.
【Stress】
Monitor your stress data to understand your emotional pressure.
【Blood Pressure Records】
Helps record your blood pressure measurements.
【Blood Oxygen Tracking】
Helps record your blood oxygen saturation levels.
【Heart Score】
Pay attention to your heart health status.
【Heart Age】
Understand your heart's age.
【Sleep Monitoring】
Monitor your sleep quality, track sleep patterns, and enjoy white noise for better sleep.
【Other Health Data】
Read Apple Health data and track relevant metrics.
【Smoking Cessation】
Dedicated feature to record your tar intake and support quitting smoking.
【Real-time Health Data Updates in Standby Mode】
View your health data in real time while charging in standby mode.
【Alarm Reminders】
Help develop healthy habits.
【Large Font】
Adapts to phone font enlargement 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.