Does what it claims to do

This app works by emulating a VPN that filters out ad servers. I find that it does filter pretty much all of the web ads I am used to seeing without harming the site content. No idea, nor do I care, if it works with ads in video games. Switching it on and off is easy, as is updating the lists of filters and customizing them. Tested in iOS 10.2 with iPhone 7 Plus.

Jon919 about AdBlock - block ads on iPhone, v2.6.1