Redefining ATT opt-in measurement: Setting the standard for data accuracy

Apple's App Tracking Transparency (ATT) framework fundamentally changed digital measurement by requiring explicit user consent for tracking, moving from opt-out to opt-in.
This significantly reduced available user-level data and increased industry fragmentation, though opt-in rates have exceeded expectations at 40%.
AppsFlyer's methodology focuses on precise measurement by categorizing user statuses accurately, including restricted users and those who see ATT prompts at different times.
They found opt-in rates are higher (45% vs 36%) when prompts appear after initial app engagement, suggesting trust builds over time.
Accurate measurement is crucial for marketers to model non-consenting audiences effectively and make informed decisions in the privacy-focused landscape.