Definition

iOS ATT (App Tracking Transparency) is Apple’s framework requiring apps to request user permission before tracking activity across other companies’ apps and websites for advertising. Opt-in rates are typically low, impacting Meta and mobile measurement.

Detailed Explanation

iOS shows ATT prompt; denied users get limited IDFA access. Advertisers rely on SKAdNetwork, modeled conversions, and Aggregated Event Measurement.

Promote pre-prompt screens explaining value exchange before system dialog to improve opt-in modestly.

Web campaigns also affected via Safari ITP — not only native apps.

Nepal Context

Nepali apps with global user bases see 15–30% ATT opt-in — plan Meta app install campaigns with CPI inflation vs pre-2021 baselines.

Fintech and wallet apps should emphasize privacy copy in Nepali + English pre-prompts.

Practical Examples

  1. Beginner: Audit iOS share in analytics; if <20% of revenue, deprioritize iOS-specific app install spend.

  2. Intermediate: Implement SKAdNetwork conversion schema with coarse value buckets.

  3. Advanced: MMM + incrementality for iOS-dominant products; shift prospecting to Android where LTV similar.

Key Takeaways

  • ATT limits cross-app tracking on iOS.
  • SKAdNetwork provides delayed, aggregated app attribution.
  • Pre-prompts can slightly improve opt-in rates.
  • Modeling and first-party data fill gaps.
  • Nepal app advertisers must rebaseline CPI expectations.

Common Mistakes

  1. Comparing post-ATT CPI to 2019 benchmarks.
  2. No Android parallel measurement strategy.
  3. Aggressive pre-prompt dark patterns risking App Store rejection.