Sovrn faced the challenge of scaling video advertising on mobile applications globally while aiming for the most accurate audience. While many platforms can offer segmented video advertising supply, delivering it to an accurate audience at scale on mobile is limited to a handful of tech platforms.
Sovrn chose Start.io for its unique ability to provide a vast, scalable in-app video supply with unparalleled audience and targeting capabilities.
Sovrn chose Start.io for its unique ability to provide a vast, scalable in-app video supply with unparalleled audience and targeting capabilities.
The objective of the partnership was to build a more strategic, performance-driven collaboration designed to unlock greater value for both sides. Specifically, the teams aimed to:
of in-app video inventory through a deeper, more optimized programmatic connection.
improving buyer performance. By leveraging Start.io’s developed audience segments, Sovrn activated tailor-made audience segments to strengthen its unique offering.
growth in 2025, with performance tied directly to efficiency, scale and demand quality.
To bring these goals to life, Start.io and Sovrn worked closely to align product, data, and monetization strategies across three core focus areas:
expanding access to high-quality in-app video supply
ensuring a more efficient and scalable RTB setup.
enriching bid requests with audience insights to drive stronger performance and outcomes.
In-app video performed strongly throughout 2025 and early 2026, outperforming expectations across multiple quarters. Momentum accelerated significantly in the second half of the year, with substantial growth from Q3 to Q4, reinforcing the value of deeper integrations and enhanced buyer data access.
(Q3 to Q4 25)
(Q4 24 to Q4 25)
Q4 24 to Q4 25
Contact us today to learn how Start.io’s data-matching technology can help you achieve your marketing goals