---
title: Appier Ad Cloud – Monthly Report Sep-Oct, 2025
description: This month’s report introduces Appier’s latest incrementality testing model — ROI Agent / Agentic Incrementality. The second highlight presents a case study from Gmarket, one of Korea’s top e-commerce platforms. The brand drove strong results by running a UA campaign and, in parallel, by optimizing ad content titles generated through Generative AI. This combined approach lifted CTR by 10–20% and accelerated campaign scaling. In addition, the report includes a whitepaper on Europe’s e-commerce peak season trends, offering strategic guidance for marketers preparing for the upcoming high-demand season.
---

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# [Appier Ad Cloud – Monthly Report Sep-Oct, 2025](https://www.appier.com/en/resources/appier-ad-cloud-monthly-report-sep-oct-2025)

 Written by [Appier](https://www.appier.com/en/resources/author/appier) | Oct 30, 2025 11:41:09 PM

## **📢 Monthly Highlights – September-October, 2025**

*Stay ahead with this month’s industry trends and product insights.*

### **🎯 Appier’s Latest ROI Agent: Incrementality Model**

This month’s report introduces **Appier’s latest incrementality testing model — ROI Agent / Agentic Incrementality**. 

Built on **Google’s Marketing Mix Modeling (MMM)** framework, this model automatically analyzes your campaign’s ROAS goals, incremental lift, and budget allocation. With **real-time learning Agentic Incrementality**, it dynamically reallocates budgets to the creatives and traffic sources that drive the highest incremental performance — minimizing budget waste and maximizing campaign efficiency and true growth.

### **🎯 How Appier Helped the U.S. Reward App “Fetch” Boost Incrementality and Creative Performance**

**Fetch**, one of the leading reward apps in the U.S., has a rapidly growing user base. Its key marketing goal is to increase sign-ups, boost user engagement, and enhance lifetime value (LTV).  Appier proposed a **CPA campaign model** to scale sign-ups cost-effectively and applied the **MMM Agentic Incrementality model** to optimize creative titles. As a result, Fetch achieved a **135% increase in sign-ups**, meeting its guaranteed CPA target and significantly improving overall ROI.　

**📥 Curious about how we achieved this? Download the report and take a closer look!**

[View full post](https://www.appier.com/en/resources/appier-ad-cloud-monthly-report-sep-oct-2025)

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