In terms of market share, PublishFlow is clearly lagging behind, losing to Zeta Search in all segments.
Zeta Search has better usage coverage in more websites categories. Including Business & Industry, Finance, Internet & Telecom, Health and 23 other categories.
PublishFlow hasn't got a lead over Zeta Search in any websites category.
Zeta Search is leading in most countries, including United States, Canada, Germany, India and 3 other countries.
PublishFlow hasn't got a lead over Zeta Search in any country.