Korrelate is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Vocus has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, News & Media and 88 other categories.
Korrelate is leading in Autos & Vehicles, Car Buying, Automotive Industry, Makes & Models and 5 other categories.
Vocus is leading in most countries, including Canada, United Kingdom, India, Russia and 34 other countries.
Korrelate is leading in United States, Croatia, Bolivia and Armenia.