Can you help me to understand why both Swan and River do not track their customers across other websites and yet this is happening with Strike? 

This is how it reads in the App Store:

Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies: Identifiers

Look, if this was the industry standard, then I would just deal with it, but other Bitcoin only companies don’t require it. Doesn’t this go against what Strike stands for?