In terms of market share, Fathom SEO is clearly lagging behind, losing to iProspect in all segments.
iProspect has better usage coverage in more websites categories. Including Business & Industry, Travel, People & Society, Internet & Telecom and 34 other categories.
Fathom SEO is leading in Senior Health, Industrial Goods & Services, Consumer Electronics, Construction & Maintenance and 7 other categories.
iProspect is leading in most countries, including United Kingdom, India, France, Canada and 9 other countries.
Fathom SEO is leading in United States.