5 Years Of ATT: What We’ve Learned, And What The Future Of iOS Performance Looks Like

When Apple launched AppTrackingTransparency (ATT) in 2021, access to deterministic identifiers fell sharply as roughly 80% of users opted out of tracking. User-level feedback loops became sparse and biased, and iOS performance marketing shifted into a different measurement environment under SKAdNetwork (SKAN). Apple’s AdAttributionKit (AAK) later delayed postbacks, compressed conversion values and set privacy thresholds […] The post 5 Years Of ATT: What We’ve Learned, And What The Future Of iOS Performance Looks Like appeared first on AdExchanger.

Last updated Apr 9, 2026 by ATDb automated enrichment