In late 2019, the app transitioned to a subscription-based model to fund regular cloud-based filter updates.
This version supported syncing custom rules and whitelists across iPhone, iPad, and Mac, ensuring a consistent browsing experience. 1Blocker 1.2.5
By blocking unwanted resources before they were requested by Safari, sites typically loaded 2–5x faster . In late 2019, the app transitioned to a
It operated entirely locally on the device without processing user data through external servers. Legacy and Evolution It operated entirely locally on the device without
Version 1.2.5 was a significant milestone that solidified 1Blocker's reputation as a highly customizable and efficient tool for Safari. During this era, the app focused on leveraging Apple’s native Content Blocker API, which allowed it to provide filters to Safari in advance, ensuring that blocking did not slow down page loading or drain battery life. Key Features and Capabilities
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.
A complete overhaul released around 2018, rewritten from scratch to support over 120,000 rules and modern iOS features like Face ID.