Most people don't realise this, but on Android, setting private-dns [0] or using local VPN apps like blockada / dns66 or intra+nextdns [1] / intra+adguard-dns [2] would block ads even within apps, provided they aren't doing their own name resolution [3]. It allows one to use Chrome for websites that don't work well or at all with Firefox+plugins; in addition to helping bypass censorship.
[0] https://news.ycombinator.com/item?id=19208004
[1] https://news.ycombinator.com/item?id=20012687