Blokada is a similar local-vpn adblocker available on F-droid. It uses the same block lists as browser adblockers, so much less configuration is required. I do

Blokada is a similar local-vpn adblocker available on F-droid. It uses the same block lists as browser adblockers, so much less configuration is required. I don't currently use an iPhone (contemplating jumping ship as well), but my understanding is you can get similar functionality on there using AdGuard.