Apple enforces App Tracking Transparency with iOS 14.5
Launch
From April 26, 2021, with iOS 14.5, Apple required apps to use its App Tracking Transparency framework and ask users for permission before tracking them across other companies’ apps and websites, reshaping mobile advertising.
Announced: Apr 26, 2021
Last updated Sep 26, 2026 by the ATDb Editorial Team · Connections updated Sep 26, 2026
Overview
From April 26, 2021, with iOS 14.5, Apple required apps to use its App Tracking Transparency framework and ask users for permission before tracking them across other companies’ apps and websites, reshaping mobile advertising.
Connection details