Ad blocking became almost as popular on mobile devices as on desktops and laptops at the end of last year, just months after Apple introduced the ability to block ads on iPhones and iPads. Data from the last three months of 2015 from GlobalWebIndex recorded a rise in those reporting they had used an ad blocker on mobile devices within the last month, compared to 38% on computers, which was also up by 10 percentage points on previous quarters.