After logging in, your dashboard will display a list of devices which you have access to:
You can view more detail and the graphs of water consumption by clicking on the corresponding button (shown in blue).
You can also compare consumption data for up to 4 flow meters by selecting each row and then click Compare.
Use the menu to view more options like User settings and Alerts pages. On desktop it will look like this in the top right:
and on the mobile app, it will look like this in the top left: