In terms of market share, Nster is clearly lagging behind, losing to Open AdExchange in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Shopping and 31 other categories.
Nster hasn't got a lead over Open AdExchange in any websites category.
Open AdExchange is leading in most countries, including Denmark, Guatemala, India, Cote d Ivoire and 2 other countries.
Nster is leading in United States.