Google Ads has two major AI-driven campaign architectures in 2026: AI Max campaigns (for Search and Shopping) and App Campaigns (for app installs, in-app events, and app engagement). These are separate products with different structures, auction eligibility, and purposes. Understanding the difference is essential — particularly for advertisers who run both.
What App Campaigns Are
App Campaigns promote mobile apps across Google Search, Google Play, YouTube, and the Google Display Network. The advertiser provides:
- App store listing (pulls title, description, ratings, screenshots automatically)
- Up to 20 text assets (short headlines describing the app)
- Up to 20 image assets
- Up to 20 video assets
- Up to 20 HTML5 assets
The AI mixes these assets across placements and bids toward the advertiser's goal: app installs, in-app events (purchases, level completions, sign-ups), or app engagement (returning users completing a specific action).
How App Campaigns Differ From AI Max
AI Max for Search and AI Max for Shopping target users on the open web — search results, Shopping, YouTube, Display. They are designed for web-based conversion goals.
App Campaigns target users with the specific goal of app installs or in-app events. The AI for App Campaigns is trained on app install data and in-app event data, which is structurally different from the click-to-web-conversion data that AI Max for Search uses.
Key differences:
- Placement: App Campaigns run on Google Play, in-app ad networks, and app-relevant placements. AI Max runs on the web.
- Conversion type: App Campaigns optimize for app installs or in-app events. AI Max optimizes for web conversions.
- Asset structure: App Campaigns pull from app store listings automatically; AI Max requires RSA assets written by the advertiser.
- Bidding: App Campaigns use Target CPI (cost per install) or Target CPA for in-app events; AI Max uses Target CPA/ROAS based on web conversions.
How the July 2026 ToS Affected App Campaigns
The July 2026 ToS update (https://yositeup.com/blog/google-ads-tos-july-2026-ai-automation-what-changed) specifically covers AI Max campaign types. App Campaigns were not included in the AI Max ToS update — they operate under the pre-existing App Campaign terms.
This matters: the expanded AI authority provisions, the creative automation provisions, and the query expansion provisions in the July 2026 ToS apply to AI Max campaigns only. App Campaigns' AI-controlled placement, audience, and creative decisions remain governed by the unchanged App Campaign terms.
After the June 2026 Deletion: App Campaign Impact
The June 2026 data deletion (https://yositeup.com/blog/google-ads-reporting-data-deleted-june-2026) specifically affected Google Ads reporting data. App Campaign conversion data may also have been affected, depending on how Google classified the deleted data.
For app advertisers: check your Firebase / Google Analytics for Firebase data (stored separately from Google Ads data) to verify in-app event attribution history. If Google Ads App Campaign reporting shows data gaps for the June 2026 period, Firebase may have the underlying event data intact.
Running App Campaigns Alongside AI Max
For businesses that have both a web presence and a mobile app, running App Campaigns and AI Max campaigns simultaneously is standard practice. They don't directly compete in auctions (different placement types) and serve different goals.
A common architecture:
- AI Max for Search: drive web leads, purchases, or sign-ups
- AI Max for Shopping: drive e-commerce product sales
- App Campaign (Installs): drive mobile app downloads from high-intent users
- App Campaign (In-App Events): re-engage existing app users toward key conversion events
Budget split: allocate based on the relative value of web conversion vs. app install to your business. If your app is the primary monetization vehicle, weight App Campaigns more heavily. If the app is a supplementary channel, weight AI Max campaigns more.
DSA Migration and App Campaigns
When migrating DSA campaigns to AI Max for Search (https://yositeup.com/blog/google-ads-dsa-ai-max-migration-february-2027), App Campaigns are not affected. DSA is a web Search campaign type; App Campaigns are a separate product. The DSA deprecation timeline applies only to the DSA campaign type, not to App Campaigns.
If you have App Campaigns that were running alongside DSA campaigns: continue running App Campaigns unchanged. The migration decision only affects your DSA web campaigns.
App Campaign Asset Best Practices for 2026
For advertisers running App Campaigns in parallel with AI Max:
- Ensure app store listing quality (title, description, ratings, screenshots) is current — App Campaigns pull this content automatically
- Upload video assets in all supported formats (portrait 9:16, landscape 16:9, square 1:1) to maximize placement coverage
- Align in-app event conversion actions with the same business goals as AI Max web conversions where possible — this allows cross-channel attribution in GA4
For AI Max for Shopping (https://yositeup.com/blog/google-ai-max-shopping-replacing-performance-max-2026) advertisers with shopping apps: App Campaigns for in-app purchases can complement AI Max for Shopping web purchases. Set up separate conversion actions for each channel to track the full purchase funnel.
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