Compare OpenX vs. Passendo

At the forefront of digital marketing, OpenAudience enables outreach to every adult with a digital footprint across various devices, screens, and households on the open web. This innovative platform stands as a pioneering solution for people-based marketing, offering unique capabilities that enhance advertising efficiency and simplicity throughout the vast landscape of the open web. Engineered on three foundational principles, it prioritizes privacy by design while also integrating data with remarkable accuracy and precision. This allows brands to gain genuine insights into their customers and audiences, thereby driving superior advertising performance and maximizing yield. With the extensive scale of the open web, OpenX is unmatched in its understanding of this digital ecosystem, leveraging over a decade of experience running the industry’s largest and most reputable independent ad exchange for unparalleled reach and impact. As a result, marketers can confidently navigate the complexities of digital advertising while reaping the benefits of a robust and effective platform.

Passendo stands out as the premier European platform for monetizing newsletter inventory, having been established in 2016 by two visionaries in digital advertising. Our innovative email ad server and SSP have garnered accolades and are instrumental in delivering value to both publishers and advertisers on a global scale, boasting access to over 4,000 high-quality publishing house newsletters. By collaborating with major media publishers around the world, we facilitate the activation of new revenue streams through the underutilized channel of in-email advertising, allowing brands to engage with fresh audiences and discover exciting possibilities. We offer an array of essential features, including comprehensive campaign management with A/B testing, various pricing models such as CPM, CPC, and CPA, as well as sponsorship options. Users can personalize the appearance of Native and Display formats for each ad placement, and benefit from extensive reporting on advertisers, campaigns, and overall performance. Additionally, our platform empowers users to negotiate direct deals with their network of publishers, ensuring complete control and transparency through Inclusion and Exclusion filters. This flexibility enables advertisers to fine-tune their demand strategies to suit specific markets and industry verticals, enhancing their advertising effectiveness.