Newzia is leading in Top 10K Sites and Top 100K Sites.
Vocus has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Health and 86 other categories.
Newzia hasn't got a lead over Vocus in any websites category.
Vocus is leading in most countries, including United States, United Kingdom, Canada, India and 27 other countries.
Newzia is leading in Japan.