In the last 24 hours…
For anyone else looking to run a network-wide adblocker, I recommend Pi-Hole. I have also recently started testing out AdGuard Home & will see in the long run if I decide to switch, or just leave it as a backup.
I run Pi-Hole as my primary DNS & DHCP server with an excessive number of blocklists (totaling ~4.5m blocked sites) & have no issues with it. I only started looking into AdGuard Home after a resource issue on my original Pi-Hole (it seems when I added Resilio Sync to my Pi, the system would lock up). So, I decided to replace RasPi 3 B+ with a RasPi 4, 8GB, & turn the original 3+ into the secondary AdGuard DNS server.
I definitely do like the AdGuard Home interface better than Pi-Hole, but will see if there’s actually enough there that will make me want to switch off Pi-Hole once & for all, or as my primary.