In terms of market share, AdPerium is clearly lagging behind, losing to ClearSearch in all segments.
AdPerium has better usage coverage in more websites categories. Including People & Society, Internet & Telecom, Arts & Entertainment, News & Media and 16 other categories.
ClearSearch hasn't got a lead over AdPerium in any websites category.
AdPerium is leading in most countries, including United States, Japan, Ukraine, Spain and 9 other countries.
ClearSearch is leading in Canada.