On Android you can use web apps in Firefox, with content blocking powered by uBlock Origin and Privacy Badger. This is because Android allows real Firefox, engine and all and Firefox implements the web push API.

This gives you unmatched privacy. As I've said elsewhere too, see this Facebook page listing apps that share data with them via FB's SDK and marvel at how privacy friendly your iOS device really is:

https://www.facebook.com/off_facebook_activity

The notion that Apple is not implementing the web push API for example, for privacy reasons, is stupid.