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 Business & Industry, Marketing & Advertising, Internet & Telecom, Web Hosting and one other category.
ClearSearch hasn't got a lead over AdPerium in any websites category.
AdPerium is leading in most countries, including China, Italy, South Korea, Poland and 2 other countries.
ClearSearch is leading in Canada.