NextDNS is a pretty handy service for this type of thing as well. It's pretty easy to set up and use across all devices too.
Best open source ad-blockers for mobile browsers that I’ve come across:
iOS: http://kablock.com/
Android: https://blokada.org/
Discussion
Agreed! I use NextDNS across my devices in addition to in-browser ad/tracker block. Covering all my bases 🙂