If you use mobile apps, I strongly encourage you to figure out how to pay app developers who publish full source code, under free licenses.
Especially those who go to the effort to make their apps work on the Mobile GNU OS, as well as the duopoly mobile OS (Android and iOS). So you can keep using them if you escape Goggle and grApple's clutches, by getting a Mobile GNU device like the PinePhone or Librem5 (and hopefully many more to come)
(1/?)