Available in the menu Reports > Single 

Single reports allow 

• Visualize one of the app's metrics;
• Compare that metric with another app or with a different set of filters
• Apply a wide set of filters to a metric

All reports for one application are built on one page according to the set filters. Allows you to evaluate the effectiveness of the application by various metrics. For example, you can evaluate the effectiveness of an application in a particular country or for a particular version.

Comparative report type allows you to compare two applications. Or one application, but with a different set of filters. Like different versions. For them, the main reports are built on one page - a set of single reports.