Driven by Mobile.
Delivered Anywhere.

Sell-side omnichannel advertising platform 
powered by real-time mobile audiences 

500K
Active Mobile
Apps
30B
Software Downloads
(SDK)
2.5B
Monthly Active Users
(MAUs)

What we do for mobile app publishers

Start.io helps mobile app publishers make money with ads. We deliver hundreds of millions of ads every day to more than 500,000 active mobile apps.

What we do for brands and agencies

Start.io gathers billions of first-party,
privacy-compliant consumer signals
every day, processed at scale using
artificial intelligence

Mobile AI
Audiences

Maia is an easy-to-use, single frame
platform for audience exploration and activation.

What our clients say
StackAdapt

As an industry-leading DSP, StackAdapt partners with high-performing supply-side platforms to connect premium supply with premium demand. Start.io has been an incredible partner for us, giving our clients better access to a diverse, global, mobile audience.

Kevin Bhawnani
Lead, Solutions at StackAdapt