By blocking unwanted resources before they were requested by Safari, sites typically loaded 2–5x faster .
In late 2019, the app transitioned to a subscription-based model to fund regular cloud-based filter updates. 1Blocker 1.2.5
This version supported syncing custom rules and whitelists across iPhone, iPad, and Mac, ensuring a consistent browsing experience. By blocking unwanted resources before they were requested
Since the 1.2.5 release, 1Blocker has undergone several major transformations: Since the 1
refers to a historical version of the popular ad and content blocking application developed by Salavat Khanov for the Apple ecosystem. Released in early 2016, this specific iteration was part of the app's foundational phase on iOS and its expansion to macOS. Overview of Version 1.2.5
A complete overhaul released around 2018, rewritten from scratch to support over 120,000 rules and modern iOS features like Face ID.
As of 2026, the current iteration is 1Blocker 6 , which includes advanced features like system-wide in-app tracker blocking (Firewall) and specific scripts for blocking YouTube ads.