iOS ATT tracking-loss calculator

An industry-benchmark estimate of how much of your real conversion volume iOS App Tracking Transparency is hiding from your dashboard. Runs entirely in your browser.

Reported conversions, last 30 days

From your ad platform's own dashboardEstimated % of your ad traffic on iOS

I have server-side tracking set up (Conversions API / Enhanced Conversions)

Estimated tracking gap

15%

Likely real conversions

~118

Moderate gap — worth accounting for before trusting platform-reported CPA at face value

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