This is the best smart bracelet/activity tracker/health tracker app for Android.

In this app, you can sync the data recorded by the bracelet to your phone or tablet. It can record the data such as steps, calories burned, heart rate, sleep, sleep duration, etc. It can also track your daily activity. You can see the data recorded on the graph. The app has a notification function. It can send you notifications such as when your step count is high, low, or if you have completed a specific activity.

It can track your heart rate during exercise.

It can remind you of a call or message.

You can also set the device to the latest version.