Mediasurfer ranked #9 in the AppsFlyer Performance Index 2025 in the Shopping Remarketing (Europe) category.
The company has been in the Top 10 for 3 years in a row - in 2023, 2024, and 2025.
About the AppsFlyer Performance Index 2025
The AppsFlyer Performance Index is one of the most respected rankings in mobile marketing. It measures how well media sources perform based on large-scale data on installs, conversions, and the results of mobile advertising and remarketing campaigns.
The Index is based on the following dataset:
- 88 media sources, each with at least 100,000 installs during the analysis period
- 16.2B non-organic installs
- 39,000 apps, each with at least 3,000 non-organic installs
- 5.6B conversions
Analysis period: January–July 2025 (inclusive).
The ranking considers traffic volume, conversions, and other key metrics to provide a clear view of campaign and remarketing performance.
Mediasurfer’s Results
In Shopping Remarketing (Europe), Mediasurfer placed #9, ranking alongside major market players including Google Ads and Meta.
Mediasurfer also appeared in other categories within Remarketing (Non-Gaming) Europe:
Android
- All categories — #12
- Life & Culture — #11
iOS
- All categories — #13
- Life & Culture — #10
How We Reached the Top 10
Mediasurfer’s strong results in the AppsFlyer Performance Index 2025 were supported by our in-house AdTech, especially Holdy.app.
Holdy.app is an in-app retargeting platform. It helps improve ad delivery by using signals like user behavior, likelihood to convert, and changes in demand.
Key facts about Holdy.app:
- processes over 4.5B impressions per day;
- partner network of 14 direct SDK publishers and 20 SSPs;
- available as a self-service platform;
- works across different verticals and audience segments.
This setup helps us scale remarketing campaigns and deliver stable results for clients, even as competition in mobile marketing keeps growing.
We shared more details about Holdy.app’s approach and algorithms in one of our previous articles.
Being in the Top 10 of the AppsFlyer Performance Index 2025 confirms Mediasurfer’s expertise in remarketing and our focus on building AdTech products that can compete with the largest global media sources.