In terms of market share, Nabbr is clearly lagging behind, losing to ReferLocal in all segments.
ReferLocal has better usage coverage in more websites categories. Including News & Media, Business & Industry, Newspapers, Travel and 2 other categories.
Nabbr is leading in Social Network and Internet & Telecom.
ReferLocal is leading in most countries, including United States, Israel and Romania.
Nabbr hasn't got a lead over ReferLocal in any country.