“On iOS” is rough because you’re at the mercy of whatever incredibly limited experience Apple allows. Safari is the only real browser on your phone and it can be subjected to limited ad blocking, followed by your system (phone or tablet) with something like AdGuard.
If you’re on a particular home WiFi network, you can also add your own DNS filter using something like PiHole.
Expounding on previous suggestions…
“On iOS” is rough because you’re at the mercy of whatever incredibly limited experience Apple allows. Safari is the only real browser on your phone and it can be subjected to limited ad blocking, followed by your system (phone or tablet) with something like AdGuard.
If you’re on a particular home WiFi network, you can also add your own DNS filter using something like PiHole.