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

Key points

• Using an ad blocker is good for your security, privacy, and even the FBI recommends them to defend from online harms.
• But as much as ad blockers are great for cleaning up your browsing experience, these tools often do little to prevent the pervasive tracking from within apps.
• Now, thanks to a new feature in iOS 26 and macOS 26, one developer has built the first device-level ad blocker that works across all of Apple’s main products — iPhones, iPads, and Macs — and isn’t just limited to the browser.
• Filtr is a new tool created and maintained by Kaylee Serena Calderolla, the developer behind the popular Safari browser ad blocker Wipr.
• Wipr prevents from ever appearing in Safari, meaning that the won’t load, nor will their tracking code that use to follow you around the web and snoop on which websites you visit.