In terms of market share, Adpersia is clearly lagging behind, losing to ClearSearch in all segments.
Adpersia has better usage coverage in more websites categories. Including Arts & Entertainment, Music & Audio, Shopping, Software and 8 other categories.
ClearSearch hasn't got a lead over Adpersia in any websites category.
Adpersia is leading in most countries, including Iran, United States, Netherlands and South Africa.
ClearSearch is leading in Canada.