Re:iOS 11 Security [pdf]
by ce4 on Sunday January 14, 2018 @03:14AM
(#16143300)
On Android it's DNS66 [2] or NetGuard [1] (only the github version has hosts based blocking) for me. Both are open source and act as a fake vpn to intercept traffic locally on your device. No Cloud service needed.
[1] https://www.netguard.me/
[2] https://f-droid.org/en/packages/org.jak_linux.dns66/