This is an application that uses the health app among the basic applications of the iPhone.
The first tab is about basic information.
In the second tab, you will be presented with an alert window to allow sharing with your health app, and then proceed to the health app's access category. In addition, when you allow data with health app, you can check all the data from June 30th as well as real time data as well as the date when this application was created.
The third tab shows the calendar, and you can see the daily data up to the date created by this application.
The last page is about settings.