Google App Campaigns remove keyword, placement, and audience targeting, so the levers you have left are the asset mix, the in-app event you optimise toward, the bid and budget, and the SDK setup that reports events back. The single most consequential decision is which event you optimise toward, because everything the system learns is downstream of it.
App Campaigns are the most automated product Google sells. You do not choose keywords, placements, or audiences. That is not a reason to avoid them, it is a reason to be precise about the small number of things you still control, because each one carries far more weight than it would in a search campaign.
Lever one: the event you optimise toward
This is the decision that determines everything else. Optimise for installs and the system will find you the cheapest installs available, which are frequently from people who will never open the app twice.
Optimising toward an in-app action that correlates with real value, a registration, a first purchase, a meaningful engagement, gets you fewer and more expensive installs and usually a better business outcome. The constraint is volume: the deeper the event, the less of it there is, and an event that fires rarely cannot train the system.
The practical answer is to pick the deepest event that still occurs often enough to learn from, and to revisit that choice as volume grows rather than setting it once at launch.
Lever two: the asset mix
Assets are your targeting. The system assembles ads from what you provide and shows them where it predicts they will work, so the range of assets defines the range of placements it can serve into.
- Provide assets in every orientation and format the campaign accepts. A missing format is a set of placements you have opted out of without meaning to.
- Give it genuinely different concepts rather than variations of one. The system is choosing between them, so a narrow set gives it nothing to choose.
- Include video. Omitting video removes a large share of available inventory.
- Replace assets on a schedule. Performance decay here is asset fatigue far more often than it is an auction change.
Lever three: bid and budget, handled patiently
App Campaigns need a learning period and they are unusually sensitive to being disturbed during it. Changing the target every few days keeps the campaign permanently relearning and produces results that then get blamed on the automation.
Set a target derived from what a user is actually worth to you, fund it well enough to gather the conversion volume the system needs, and then leave it alone long enough to be readable.
Lever four: the measurement underneath
Everything above depends on in-app events being reported back correctly. If the SDK or your measurement partner is misconfigured, the campaign is optimising toward a signal that does not describe reality, and no amount of asset work fixes it.
- Verify each event fires once, on a real device, on a real network, on both platforms.
- Check the attribution window against your actual time-to-purchase rather than accepting the default.
- Reconcile campaign-reported installs and events against your own backend numbers on a schedule, not once at launch.
- Watch for platform privacy changes affecting what is reported, and expect the reported and actual numbers to diverge rather than assuming a break.
What to do when it underperforms
Work through the levers in the order they matter. Is the optimisation event right and firing correctly? Is the asset set broad enough to reach inventory? Has the campaign been left alone long enough to learn? Is the target derived from real value or from a hopeful number? Almost every underperforming App Campaign fails at one of those four, and none of them is fixed by more budget.
App campaigns sit alongside search, social, and programmatic inside performance marketing services, and the event and SDK work underneath them is marketing analytics services.
Performance marketing services
Performance marketing is any channel where you pay for a measurable action rather than for reach: paid search, paid social, app install campaigns, programmatic, and remarketing. Running them as one programme matters because they compete for the same budget and often for the same person, and comparing them requires a measurement layer they all report into. Without that layer you are not doing performance marketing, you are doing several separate advertising projects and hoping.
Read about performance marketing services