Driving Profitable Growth Across 21 Markets with AI
From Spain to 21 Countries: Omio Leveraged Agentic Incrementality to Maximized ROI

User Acquisition
Expanded user acquisition efforts from Spain to 21 markets within one year while maintaining acquisition efficiency and profitability.
Creative Optimization
Leveraged AI-powered creative testing and localization to identify high-performing messages and engagement formats across diverse markets.
ROI Maximization
Optimized creative and inventory combinations through MMM-powered insights, maximizing incremental conversions and minimizing wasted spend.

Challenge
As Omio expanded beyond Spain into multiple international markets, the team faced the challenge of scaling user acquisition while maintaining profitability. Different markets required localized messaging, user behavior varied significantly across regions, and traditional testing methods to identify truly incremental growth opportunities.
Solution
By leveraging Appier’s AI-powered user acquisition and retargeting solutions, Omio successfully scaled first-purchase performance across 21 countries while consistently achieving CPA targets. Through Agentic Incrementality and Media Mix Modeling (MMM), campaigns were continuously optimized based on real-time creative and inventory performance. Omio maximized ROI and accelerated profitable global growth.
Working with Appier helped us scale efficiently into new markets while maintaining strong profitability. In just one year, our collaboration expanded from Spain to 21 countries, consistently meeting our CPA and ROAS goals. Throughout the journey, Robert and I worked closely with Janvi and Karst from the Appier EMEA team to continuously drive growth across the region. Appier truly delivers a managed service experience — taking care of clients and building strong, long-term partnerships.
App Performance Marketing Manager, Anastasiia Ivanova![]()
User Acquisition- High LTV User Acquisition
About Omio
Omio is a leading global travel app that enables users to plan and book transportation for cross-border travel — compare and purchase train, bus, flight, and ferry tickets all in one place.Operating in 45+ countries with 2,000+ trusted transport partners, Omio delivers a seamless travel experience supported by 28+ languages and multiple payment options. As a pioneer in “one-stop travel,” Omio has become the go-to platform for millions of travelers worldwide.
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