This is a secure dns and adblocker that has evolved into a great privacy app. Yesterday i noticed it has added support for Wireguard and TOR as well as proxy. The app comes with a customizable firewall. It means you can have secure dns combined with vpn/proxy and firewall in one app.
P.S: I’m not the developer.
I’m using the in device DNA filtering for a long time since I’m using non rethinkDNS DNS (DNSCRYPT), and it works great, and completely free forever.