I recently discovered that Google is changing how it attributes app campaign conversions. Instead of relying on the date when someone clicks on an ad, Google now ties the conversion to the actual install date of the app.
What’s Changing: Previously, Google linked conversions to the ad interaction date. Now, they’ll match the day of the app installation, aligning more closely with Mobile Measurement Partners (MMPs) like AppsFlyer and Adjust.
Why This Helps:
– This change reduces discrepancies between Google Ads and MMP dashboards, making life easier for mobile marketers who often deal with mismatched data.
– With Google’s old 30-day attribution window, many conversions were reported too late, hindering Smart Bidding’s access to the timely signals necessary for effective learning.
– By using the install date for attribution, Google’s algorithms will receive fresher, more accurate data, which could speed up optimization cycles and stabilize performance.

Why We Care: While it might seem technical, this change significantly affects how Google’s machine learning optimizes campaigns. The previous 30-day gap between ad clicks and conversion credit was a bottleneck. Now, Google’s machine learning gets the conversion data just when it needs it—right with the app install.
This shift should lead to smarter bidding and faster campaign optimization, helping to resolve the frustrating discrepancies between Google Ads and MMP reports. If you’ve ever been puzzled by inconsistencies between Google and platforms like AppsFlyer or Adjust, this update directly addresses that problem.
Between the Lines: Most advertisers don’t adjust their attribution window settings, leaving Google’s default 30-day window as is. Unfortunately, this was delaying crucial conversion signals that machine learning needs for improved bidding.
The Bottom Line: This seemingly minor tweak in attribution logic could have a significant impact on app campaign performance. I encourage mobile advertisers to monitor their data in the coming weeks for any shifts in conversion reports and optimization behaviors.
First Spotted: This update was first noticed by David Vargas, who shared a message about it on LinkedIn.
Inspired by this post on Search Engine Land.


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