Apps with 'System-wide ad blocker' feature

DuckDuckGo Privacy Browser is designed to help users control their personal data while browsing the internet. The browser provides privacy essentials that give users control over their data during web searches.

Blokada is the popular ad blocker and privacy app for Android and iOS. It's being supported and actively developed by the amazing open source community.

DNS66 blocks advertisements on Android by intercepting DNS requests using Android's VPN layer and blocking requests for blacklisted hosts.

Harbor Privacy is a managed DNS filtering service that blocks ads, trackers, and malicious domains network-wide, with no logging of browsing activity. Includes Harbor Kids, a family protection layer that filters adult content, gaming, dating apps, gambling, and dangerous sites...