Quantcast
274,085 websites

Quantcast is free to use

http://www.quantcast.com/

Quantcast helps advertisers and publishers better understand, find and access targeted audiences in real-time. Marketers use Quantcast to amplify their targeting and reach consumers who look just like their best performing customers with un...

VS

Sophus3
456 websites

Sophus3 costs money

http://www.sophus3.com/

Web Analytics experts with a specific focus in the Automotive, Travel and Banking sectors. Sophus3's management information solutions provide teams the practical knowledge and insight they need to make timely and more informed business dec...

Market Share by Top Websites

1 Quantcast is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Sophus3 is clearly lagging behind, losing to Quantcast in all segments.

Websites Categories

1 Quantcast has better usage coverage in more websites categories. Including Arts & Entertainment, Games, Science & Education, Computers Electronics & Technology and 20 other categories.

2 Sophus3 hasn't got a lead over Quantcast in any websites category.

Geography

1 Quantcast is leading in most countries, including United States, United Kingdom, Japan, France and 160 other countries.

2 Sophus3 hasn't got a lead over Quantcast in any country.