Filtr is a new privacy tool that blocks ads in almost every iPhone and Mac app

Filtr is a new paid feature for the Wipr ad-blocking app that leverages Apple’s URL filters in iOS 26 and macOS 26 to block ads and ad tracking across apps and devices (iPhone, iPad, Mac) at the network level; the article reviews its setup, behavior, limitations (e.g., ads served from first-party domains may not be blocked), and the developer’s approach to maintaining and updating blocklists while preserving user privacy.