[twostorytower]

This is also outdated. Gorhill did release uBlock Origin Lite for iOS Safari.

[lxgr]

Does anybody here know how that's implemented, and what the difference is to this (if any)?

I lost track of all the methods (current and past) to block ads via browser extensions. Which of the two, if any, use "declarative blocking"; which inject JavaScript (and by extension require trust and site access permissions)?