You’re a mobile app developer, and you use a third-party attribution tool like TUNE to know where your installs are coming from and how to optimize them. But there’s always an annoying divergence between what Apple’s internal search ads metrics show and what TUNE tells you.
Apple VP Todd Teresi shared the reason at Postback, TUNE’s annual mobile conference.
Essentially, there are three reasons why the numbers differ.
First, 15-20% of users have flipped the switch on Limit Ad Tracking, Apple’s anonymization technology. Most of them want privacy, and have serious fears or concerns about tracking technologies. Apple strips those numbers out from KPIs it delivers to developers or attribution partners via its API for privacy reasons, but does include them anonymously in its own metrics.
Second, some percentage of Apple’s numbers include re-downloads. This people who install the app, delete it, and then re-install it for whatever reason. In some cases, this is annoyance with the app, then re-discovery of its value. In others, it’s a strategy required by limited storage space on a smartphone. But for most, it’s a scenario like the one Teresi highlighted: a dating app.
You find someone, delete the app to show your undying love and devotion from now until the end of time … and two months later you’re back on the market. Cue app re-install! But … attribution tools know that you’ve already installed it without necessarily seeing the uninstall, so it doesn’t register.
Third, there is sometimes serious open latency between install and first launch. This can be a day or two when we get distracted; it can also legitimately be weeks or even a month in some cases, Teresi said.
Add it all up, and you can have significant deviance between Apple’s numbers and TUNE’s: from 25,000 installs to only 14,000.
There is some good news coming, however.
Teresi said that Apple is committed to working with TUNE to make the variance more obvious in its API and metrics that it provides, which will help developers see the various drop-offs and inconsistencies in context.
And that will give you the true, contextualized attribution picture.
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Becky is the Senior Content Marketing Manager at TUNE. Before TUNE, she led a variety of marketing and communications projects at San Francisco startups. Becky received her bachelor's degree in English from Wake Forest University. After living nearly a decade in San Francisco and Seattle, she has returned to her home of Charleston, SC, where you can find her enjoying the sun and salt water with her family.