Whatagraph provides you with the ability to track the performance of various channels at once, and the same report can include a variety of different sources. Additionally the "Goal Widget" can keep track of custom targets set for multiple channels whether it be a number of impressions you are looking to achieve or making sure you don't exceed a certain budget.

Step 1: Once you create a report and choose a channel, please drag the "Goal" widget onto your report:

Step 2: Click on the widget to bring up the setup menu on the right-hand side, and here you will have the ability to edit existing goals, change sources or add new ones:

Step 3: Click on the three dots on any goal metric, and you will have the option to change the source. This will allow you to click on the metrics field and select the one you are looking to use for your goal widget:

For more information about creating a multi-channel goal widget, please see the video below: