Quantcast Measure provides free, accurate and dependable audience insights for over 100 million web and mobile destinations. With detailed demographic, geographic and lifestyle information, Quantcast Measure gives you the best understanding of your online, mobile web and mobile app audiences. Access your data on the Quantcast website or via the Measure API.
GET MEASUREAmplify your audience development and ad sales efforts with insights from custom audience segments. See traffic and demographic profiles by content consumed, features used or ad campaigns exposed, across all your properties, mobile and web.
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Give meaning to your metrics. An essential element of all our measurement profiles, Quantcast's Compare tool lets you see your site's activity in relation to your competition. We like this feature so much we embedded it here — type in a site (or two or three) and give it a go!
GET MEASUREQuantcast's measurement expertise brings you the most complete demographics available so you can learn more about who's using your apps.
Use Quantcast's product insights to help you find and attract new users, and make sense of how they move between your platforms. You can showcase your audience publicly, and your audience data to advertisers looking to buy media across your mobile properties.
Get it all in five minutes with basic implementation, for free. Learn More
Understand how groups of logged-in users return across platforms. Analyzing return visits can help you measure efforts to migrate users between platforms, as well as show advertisers multi-platform usage.
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“At Topix we use Quantcast to measure our audience trends, and as our national mobile web traffic has doubled over the past year, we were looking for greater insight into our audience’s usage across all platforms.„
“We combine Quantcast’s app measurement data with our qualitative research to gain invaluable insights into user behaviour — insights that help us grow revenues.„
“Since 2009, we’ve used Quantcast as an integral part of our sales pitches, to provide third-party validation of the metrics we present to prospective clients. And unbelievably, it’s free!„
![“Quantifying [across our web page, the video player and mobile app properties] enabled us to compare apples to apples when gauging the reach of our sites and mobile app.„ – Charles Benkendorf, Ustream Business Operations & Strategy](https://ak.quantcast.com/wp-content/uploads/2013/05/ustream.jpg "ustream")
“Quantifying [across our web page, the video player and mobile app properties] enabled us to compare apples to apples when gauging the reach of our sites and mobile app.„
“We use Quantcast Measure to better understand our audiences through demographic composition reports and rich insights such as interests/lifestyle, which has helped us better respond to demand sources of all types.„
