Considering the first few pages of text of this guys problems with signal is it heavily encourages (but does not require) the google app store to install and up

Considering the first few pages of text of this guys problems with signal is it heavily encourages (but does not require) the google app store to install and update the app, I'm guessing he would really freak out on an apple device, where there is no tools that really let you bypass the apple store, and services.