I’ve tinkered with it before, but I have to say, Pi-hole is fantastic! Someone on my local dev community Slack mentioned that they noticed it also blocked ads in apps. My daughter likes to play terrible apps that spam you with ads every 30 seconds and don’t let you pay to remove the ads. The ads seem to make the app way more unstable as well since it crashes every few ads.
Since turned on Pi-hole and sending her iPad DNS queries there, she hasn’t had a single full screen video ad at all and the game she was playing runs great now. I normally wouldn’t block these ads since I do want to support developers, but some of these kids apps are just over the top with ads.
I’ve had some trouble with websites working when I use it for my Mac, but for a kid’s iPad, it seems to work perfectly.