This app is only used on Wear OS system in TicWatch S and TicWatch E. The app is not supported on mobile phones After updating this app, users can use TicPulse App normally. This App need to be used with TicHealth App together. Users can experience these functions below: 1. 24 hours heart rate monitor and line chart record 2. Resting heart rate by algorithm 3. Individual heart rate zones for you and time distributions 4. 7 days resting heart rate history To sync the health & exercise data successfully, please follow these steps: 1. Update all the apps "TicHealth/TicExercise/TicAccount/TicPrivacy” on watch; 2. Enable "Data sync" switch in TicPrivacy app; 3. Disable/enable the Bluetooth connection between the watch and the phone.