Gathering Application Metrics
Typically, you need to purchase some SDK to gather application data, however, starting with iOS 13, Apple provides one for free: MetricKit. To some, this solution may not provide as much identifying data as they want, but, it honors all user privacy settings and is more geared towards improving application performance than user data. Now, you don’t actually have to implement this framework to get that data as Xcode 11 will provide graphs of certain data sets in the new Metrics tab, but if you do want to, setup is very simple....