Block ads on your Android/iOS device using DNS methods with AdGuardDNS.
It will not only block ads in your browser but also in your apps.
Android
Go to Settings → Network & Internet (or Wi-Fi & Internet)
Select Advanced → Private DNS.
Select Private DNS provider hostname and enter dns.adguard-dns.com.
Save and you are done.
iOS
On iOS, you can’t use a Private DNS, but you can use AdGuardDNS by installing an AdGuard profile. Source.
Download the profile using Safari: AdGuardDNS Profile
Then click/tap on “Allow” button.
Go to System Settings => General => VPN, DNS & Device Management, select downloaded profile and tap the “Install” button.
Done.