[kludgekraft]

Please take a look at Blokada: https://f-droid.org/en/packages/org.blokada.alarm/

You'll have to get it from the F-Droid app store, but this doesn't require a rooted phone. It uses a local VPN to block ads at the network level, hence no ads in your apps as well

I've been using this for a month and it works wonderfully