CASE STUDY | OMIO

Omio turns users into paying customers with Remerge

Omio is a leading digital travel platform that helps you compare and book trains, buses, flights, and ferries worldwide. With nearly 3 million monthly active users, the global travel app simplifies complex travel planning.

The Challenge

Turning installs into revenue

Omio attracts millions of app downloads each year, but like many travel apps, a large share of users don’t make a first booking. To drive growth, Omio needed to:

Re-engage recent installers and guide them toward their first purchase.

Drive conversions in a highly competitive market where users have many travel booking options.

Unlock additional revenue by activating dormant user potential.

Simply put: downloads alone weren’t enough and Omio needed a partner to turn installers into loyal, paying customers. Omio partnered with Remerge to grow revenue by converting high volumes of app installers into first-time bookers across global markets.

Targeted segmentation for first-time bookers

Omio provided an open data stream via Adjust MMP, allowing Remerge to target first-time bookers based on app launches or searches, with flexible recency windows. The strategy was to prioritize users who launched the app or performed a search but hadn’t made a purchase. Omio allowed Remerge to decide on which users to target based on when last they had visited the app (recency window) across geographies, which helped maximize conversions.

Dynamic geo and budget management

Retargeting campaigns were rolled out worldwide and on both iOS and Android. Campaigns were tailored to specific markets (for example, DACH, LATAM, APAC, as well as Spain, Italy and France), with smaller regions aggregated for efficiency. Omio provided Remerge full flexibility in shifting budgets between campaigns and operating systems based on performance.

Localized creatives with smart distribution

We used static and video creatives in multiple languages and adapted promotions to market context. Furthermore, English creatives were rolled out globally to reach international travelers, ensuring relevance across diverse audiences.

« Remerge is fast and effective. Being able to re-engage high value users effectively at a high scale, and to measure the incrementality of the retargeting efforts, is key. »
Haithem Benabila, App Performance Marketing Manager

The Results

Consistent performance, competitive results

Remerge is consistently hitting performance benchmarks across markets and operating systems, helping Omio to turn new app users into paying customers efficiently and at scale. During low seasons, expectations were flexibly adjusted, ensuring stability even when travel demand dipped.

Competitive edge: “Remerge has been amongst the most competitive retargeting partners, both in terms of growth and efficiency,” says Haithem Benabila

First-purchase growth: Remerge has delivered significant conversion lift from installers who had never booked before.

Scalable spend: Omio successfully scaled spend by 175% during peak summer, while keeping results on target.

Valuable insights: Remerge helped Omio understand their scaling limitations, ensuring future growth strategies focus on optimized expansion rather than unsustainable budget increases.

Segment expansion: In light of the proven business impact, targeting previous purchasers is next on the agenda..

Company profile

About Omio

Founded in Berlin in 2010 (originally as GoEuro), Omio’s mission is to make seamless, multi-modal travel accessible to everyone. The platform integrates data from thousands of providers — from rail operators to airlines and local buses — giving users a one-stop shop for planning door-to-door journeys. With operations spanning Europe, North America, and beyond, Omio empowers travelers to make smarter, more sustainable choices by optimizing routes based on price, time, and convenience.

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