App Developers

Our modern approach to in-app monetization couples an unbiased, universal auction and smart-fetch technology. This increases your eCPM and revenue significantly while also reducing latency in ad delivery.


A True All-In-One Solution

Our app mediation platform is delivered via a single unbiased SDK powered by proprietary tech that allows an SDK-mediated waterfall to compete with real-time bidders. With support for nearly every ad format and platform, a unified reporting dashboard, and dedicated yield management, we provide the most comprehensive in-app solution in the business. Say goodbye to unfilled impressions, hunting down payments from various partners, and adding unnecessary weight with multiple SDKs.

Industry Knowledge, Global Expertise

Providing the Best Solutions and Products for our Publishers






Monthly Unique Impressions


By Comscore

No Matter the Size of Your Team, We Have the Solution

Your focus is on building great apps and we help keep it that way. With our proprietary app mediation platform, you can stay at the forefront of in-app monetization via a single SDK.

Independent App Developer

You worked hard to build a great app to attract an audience. We want to help you reap the benefits of all that hard work. You iterate on releases, while we handle the advertising headaches.

App Development Studio

You’ve amassed a portfolio of apps, streamlined content creation, and driven engagement and installs. Our tech and talent act as as an extension of your business and take your revenue to the next level. and take your revenue to the next level.

Competitive and Complete

Our SDK provides you with the most complete demand stack in the industry and offers nearly every in-app ad product. At our size and scale, we are also able to secure incredibly favorable terms which we pass along to our partners. The flexibility to run advertising from a wide range of partners in numerous formats allows complete control to build your ideal in-app advertising solution.

Don’t just take our word for it. Our publishers share their challenges and how we helped them overcome it.


Why Audience Development is the Next Step for Publishers

Real audience development is a long-game that requires relationship building and a true understanding of why users come to your site, why they stay…


Freestar Increased iOS revenue by 370% for Meetup

After three months, Meetup saw web monetization’s ad revenue increase by 85% and CPMs increase 19% month over month. 


Explore All Our Available Ad Formats

Optimizing your website has never been easier with our suite of ad formats implemented and vetted by our expert team of yield managers.

Ready To Work With Freestar?

Get in touch with one of our sales representatives and we’ll be on the road to success in no time at all!