Safari content blockers are significantly limited compared to ublock origin. You're limited to domain allow/deny rules, and a quite small amount of those per app (less than a couple hundred thousand I think) and IIRC can't inject cosmetic filters either. These are critical drawbacks.

Aren't content blockers limited in some regard? I think I read that one content blocker can only have a limited list of blocks.

uBlock on Firefox doesn't have that limitation, and if you use Firefox on desktop you can important synchronization between those.

Yes and no. Content blockers have a limited number of rules and you’re fundamentally limited by the expressiveness of the filtering language.

But:

* The filtering language is basically just ABP rules.

* There is only a cap per “extension” so apps with lots of rules just expose many extensions.

You can also combine that with a DNS-level ad-blocking pseudo-VPN running on the device (like a pi-hole but without the pi). That gets rid of most in-app ads and a ton of tracking.

Yep, you could set it up via https://apple.nextdns.io/