Korrelate is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
zapunited has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Photography and 53 other categories.
Korrelate is leading in Autos & Vehicles, Car Buying, Makes & Models, Search Engine and 4 other categories.
zapunited is leading in most countries, including India, Germany, Russia, Morocco and 12 other countries.
Korrelate is leading in United States, Colombia, Spain, Turkey and 2 other countries.