# Customer.io vs Google App Campaigns: which do AI models recommend for mobile apps, September 2026

GTM AI Recommendation Index, September 2026 Edition, Mobile apps. Two of twelve models named Customer.io first on the direct prompt; zero named Google App Campaigns. Page: https://gtm-ai-index.com/marketing/mobile-apps/customer-io-vs-google-app-campaigns/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Customer.io | 15% | #2 of 16 | 0% | 12 | 8 of 12 |
| Google App Campaigns | 9% | #5 of 16 | 0% | 17 | 11 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: customer.io first (first choices: Customer.io) (alternatives: Appcues, AppsFlyer, Branch, MoEngage, Pendo)
- Qwen 3.7 Flash: customer.io first (first choices: Customer.io) (alternatives: Braze, HubSpot)
- Claude Haiku 4.5: neither first, one named (alternatives: Acoustic, Braze, Customer.io, MoEngage)
- Perplexity Sonar: neither first, one named (first choices: HubSpot Marketing Hub, MoEngage) (alternatives: Braze, Customer.io)
- DeepSeek V4 Flash: neither first, one named (first choices: OneSignal) (alternatives: Customer.io, MoEngage)
- GPT-5.4 mini: neither named (first choices: Braze) (alternatives: CleverTap, Iterable, OneSignal)
- Grok 4.1 Fast: neither named (first choices: AppsFlyer) (alternatives: Adjust, Branch, Singular)
- Mistral Small: neither named (first choices: Braze, CleverTap) (alternatives: Adobe Marketo Engage, AppsFlyer, Firebase, Insider, OneSignal)
- Llama 4 Maverick: neither named
- Kimi K2: neither named (first choices: HubSpot Marketing Hub) (alternatives: 6sense Revenue AI, Airship, Braze, OneSignal)
- GLM 4.7 FlashX: neither named (first choices: AppsFlyer) (alternatives: Adjust, Branch, Braze)
- MiniMax M2.5: neither named (first choices: OneSignal) (alternatives: Acoustic, Google Ads)

## What the models said about Customer.io

- "Best Overall for B2B SaaS & Product-Led Growth: Customer.io ... widely considered the sweet spot for mid-market B2B companies" (Qwen 3.7 Flash, direct prompt, first choice)

## What the models said about Google App Campaigns

- "Why it’s best for budget: Uses automated bidding across Google Search, YouTube, Play Store, and Display Network. No minimum daily spend requirement." (Qwen 3.7 Flash, budget prompt, first choice)
- "is Meta Advantage+ App Campaigns and Google App Campaigns. They have no minimum spend requirement" (Llama 4 Maverick, budget prompt, first choice)
- "Google App Campaigns: Similar to Meta — automated bidding with no minimum spend." (GLM 4.7 FlashX, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.