The gist of what they're saying is we trust Apple, not Google. Both american companies. But on android it is possible to have real time notifications without google. I also didn't like the wording of their page, read a lot like Apple apologia if not an utter advertisement - an iPhone XR costs only 50$! Don't you guys have ~~phones~~ iPhones??
Let's go back for a second and think about the people who need this type of service the most, today, in the US. Are they Apple or Android users?
This, and/or in a work profile (Shelter), or even better a separate android user