Note: This feature is currently only available on iOS.
On the main screen, select the three horizontal lines in the top left corner (pictured below).
Once in the menu select Analytics (pictured below).
From there you can choose Day, Week or Month for more granular data. This data will include Net Sales, Total Sales, Gross Sales, Top Item By Sales along with other important metrics (pictured below).
You can also place your finger on the chart to view more granular sales data (pictured below).